fix: package.json & yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908
- https://snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194

package.json

@@ -29,7 +29,7 @@
     "@draft-js-plugins/resizeable": "^4.1.0",
     "@octokit/core": ">=3",
     "alertifyjs": "^1.13.1",
-    "autoprefixer": "^8.6.5",
+    "autoprefixer": "^9.0.0",
     "babel-core": "^6.26.3",
     "babel-eslint": "^10.1.0",
     "babel-loader": "~7.1.5",
@@ -140,7 +140,7 @@
     "uuid": "^3.4.0",
     "webpack": "^4.46.0",
     "webpack-dev-middleware": "^4.1.0",
-    "webpack-hot-middleware": "^2.25.0",
+    "webpack-hot-middleware": "^2.25.1",
     "webpack-merge": "^4.2.2"
   },
   "devDependencies": {

yarn.lock

@@ -1240,10 +1240,10 @@ ansi-escapes@^4.2.1:
   dependencies:
     type-fest "^0.21.3"
 
-ansi-html@0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/ansi-html/-/ansi-html-0.0.7.tgz#813584021962a9e9e6fd039f940d12f56ca7859e"
-  integrity sha1-gTWEAhliqenm/QOflA0S9WynhZ4=
+ansi-html-community@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/ansi-html-community/-/ansi-html-community-0.0.8.tgz#69fbc4d6ccbe383f9736934ae34c3f8290f1bf41"
+  integrity sha512-1APHAyr3+PCamwNw3bXCPp4HFLONZt/yIH0sZp0/469KWNTEy+qN5jQ3GVX6DMZ1UXAi34yVwtTeaG/HpBuuzw==
 
 ansi-regex@^2.0.0:
   version "2.1.1"
@@ -1582,17 +1582,18 @@ attr-accept@^1.1.3:
   dependencies:
     core-js "^2.5.0"
 
-autoprefixer@^8.6.5:
-  version "8.6.5"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.6.5.tgz#343f3d193ed568b3208e00117a1b96eb691d4ee9"
-  integrity sha512-PLWJN3Xo/rycNkx+mp8iBDMTm3FeWe4VmYaZDSqL5QQB9sLsQkG5k8n+LNDFnhh9kdq2K+egL/icpctOmDHwig==
+autoprefixer@^9.0.0:
+  version "9.8.8"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.8.8.tgz#fd4bd4595385fa6f06599de749a4d5f7a474957a"
+  integrity sha512-eM9d/swFopRt5gdJ7jrpCwgvEMIayITpojhkkSMRsFHYuH5bkSQ4p/9qTEHtmNudUZh22Tehu7I6CxAW0IXTKA==
   dependencies:
-    browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000864"
+    browserslist "^4.12.0"
+    caniuse-lite "^1.0.30001109"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^6.0.23"
-    postcss-value-parser "^3.2.3"
+    picocolors "^0.2.1"
+    postcss "^7.0.32"
+    postcss-value-parser "^4.1.0"
 
 aws-sign2@~0.7.0:
   version "0.7.0"
@@ -2652,14 +2653,25 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@^3.2.6, browserslist@^3.2.8:
+browserslist@^3.2.6:
   version "3.2.8"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
   integrity sha512-WHVocJYavUwVgVViC0ORikPHQquXwVh939TaelZ4WDqpWgTX/FsGhl/+P4qBUAGcRvtOgDgC+xftNWWp2RUTAQ==
   dependencies:
     caniuse-lite "^1.0.30000844"
     electron-to-chromium "^1.3.47"
 
+browserslist@^4.12.0:
+  version "4.20.3"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.20.3.tgz#eb7572f49ec430e054f56d52ff0ebe9be915f8bf"
+  integrity sha512-NBhymBQl1zM0Y5dQT/O+xiLP9/rzOIQdKM/eMJBAq7yBgaB6krIYLGejrwVYnSHZdqjscB1SPuAjHwxjvN6Wdg==
+  dependencies:
+    caniuse-lite "^1.0.30001332"
+    electron-to-chromium "^1.4.118"
+    escalade "^3.1.1"
+    node-releases "^2.0.3"
+    picocolors "^1.0.0"
+
 bser@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.1.1.tgz#e6787da20ece9d07998533cfd9de6f5c38f4bc05"
@@ -2884,11 +2896,16 @@ camelcase@^6.2.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-6.2.0.tgz#924af881c9d525ac9d87f40d964e5cea982a1809"
   integrity sha512-c7wVvbw3f37nuobQNtgsgG9POC9qMbNuMQmTCqZv23b6MIz0fcYpBiOlv9gEN/hdLdnZTDQhg6e9Dq5M1vKvfg==
 
-caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30000864:
+caniuse-lite@^1.0.30000844:
   version "1.0.30001230"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001230.tgz#8135c57459854b2240b57a4a6786044bdc5a9f71"
   integrity sha512-5yBd5nWCBS+jWKTcHOzXwo5xzcj4ePE/yjtkZyUV1BTUmrBaA9MRGC+e7mxnqXSA90CmCA8L3eKLaSUkt099IQ==
 
+caniuse-lite@^1.0.30001109, caniuse-lite@^1.0.30001332:
+  version "1.0.30001341"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001341.tgz#59590c8ffa8b5939cf4161f00827b8873ad72498"
+  integrity sha512-2SodVrFFtvGENGCv0ChVJIDQ0KPaS1cg7/qtfMaICgeMolDdo/Z2OD32F0Aq9yl6F4YFwGPBS5AaPqNYiW4PoA==
+
 capture-exit@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/capture-exit/-/capture-exit-1.2.0.tgz#1c5fcc489fd0ab00d4f1ac7ae1072e3173fbab6f"
@@ -4098,6 +4115,11 @@ electron-to-chromium@^1.3.47:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.739.tgz#f07756aa92cabd5a6eec6f491525a64fe62f98b9"
   integrity sha512-+LPJVRsN7hGZ9EIUUiWCpO7l4E3qBYHNadazlucBfsXBbccDFNKUBAgzE68FnkWGJPwD/AfKhSzL+G+Iqb8A4A==
 
+electron-to-chromium@^1.4.118:
+  version "1.4.137"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.137.tgz#186180a45617283f1c012284458510cd99d6787f"
+  integrity sha512-0Rcpald12O11BUogJagX3HsCN3FE83DSqWjgXoHo5a72KUKMSfI39XBgJpgNNxS9fuGzytaFjE06kZkiVFy2qA==
+
 elfy@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/elfy/-/elfy-1.0.0.tgz#7a1c86af7d41e0a568cbb4a3fa5b685648d9efcd"
@@ -5810,10 +5832,10 @@ html-encoding-sniffer@^1.0.1:
   dependencies:
     whatwg-encoding "^1.0.1"
 
-html-entities@^1.2.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-1.4.0.tgz#cfbd1b01d2afaf9adca1b10ae7dffab98c71d2dc"
-  integrity sha512-8nxjcBcd8wovbeKx7h3wTji4e6+rhaVuPNpMqwWgnHh+N9ToqsCs6XztWRBPQ+UtzsoMAdKZtUENoVzU/EMtZA==
+html-entities@^2.1.0:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-2.3.3.tgz#117d7626bece327fc8baace8868fa6f5ef856e46"
+  integrity sha512-DV5Ln36z34NNTDgnz0EWGBLZENelNAtkiFA4kyNOG2tDI6Mz1uSWiq1wAKdyjnJwyDiDO7Fa2SO1CTxPXL8VxA==
 
 html-loader@^0.5.5:
   version "0.5.5"
@@ -8391,6 +8413,11 @@ node-notifier@^5.0.2:
     shellwords "^0.1.1"
     which "^1.3.0"
 
+node-releases@^2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.4.tgz#f38252370c43854dc48aa431c766c6c398f40476"
+  integrity sha512-gbMzqQtTtDz/00jQzZ21PQzdI9PyLYqUSvD0p3naOhX4odFji0ZxYdnVwPTxmSwkmxhcFImpozceidSG+AgoPQ==
+
 node-sass@^4.13.1:
   version "4.14.1"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.14.1.tgz#99c87ec2efb7047ed638fb4c9db7f3a42e2217b5"
@@ -9108,6 +9135,16 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+picocolors@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
+  integrity sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==
+
+picocolors@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
+  integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+
 picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.2.1, picomatch@^2.2.3:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.0.tgz#f1f061de8f6a4bf022892e2d128234fb98302972"
@@ -9237,17 +9274,12 @@ postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
     cssesc "^3.0.0"
     util-deprecate "^1.0.2"
 
-postcss-value-parser@^3.2.3:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
-  integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
-
 postcss-value-parser@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==
 
-postcss@^6.0.0, postcss@^6.0.23:
+postcss@^6.0.0:
   version "6.0.23"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
   integrity sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==
@@ -12698,15 +12730,15 @@ webpack-dev-middleware@^4.1.0:
     range-parser "^1.2.1"
     schema-utils "^3.0.0"
 
-webpack-hot-middleware@^2.25.0:
-  version "2.25.0"
-  resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.25.0.tgz#4528a0a63ec37f8f8ef565cf9e534d57d09fe706"
-  integrity sha512-xs5dPOrGPCzuRXNi8F6rwhawWvQQkeli5Ro48PRuQh8pYPCPmNnltP9itiUPT4xI8oW+y0m59lyyeQk54s5VgA==
+webpack-hot-middleware@^2.25.1:
+  version "2.25.1"
+  resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.25.1.tgz#581f59edf0781743f4ca4c200fd32c9266c6cf7c"
+  integrity sha512-Koh0KyU/RPYwel/khxbsDz9ibDivmUbrRuKSSQvW42KSDdO4w23WI3SkHpSUKHE76LrFnnM/L7JCrpBwu8AXYw==
   dependencies:
-    ansi-html "0.0.7"
-    html-entities "^1.2.0"
+    ansi-html-community "0.0.8"
+    html-entities "^2.1.0"
     querystring "^0.2.0"
-    strip-ansi "^3.0.0"
+    strip-ansi "^6.0.0"
 
 webpack-merge@^4.2.2:
   version "4.2.2"