Bump mocha from 6.1.3 to 6.1.4

Bumps [mocha](https://github.com/mochajs/mocha) from 6.1.3 to 6.1.4.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.1.3...v6.1.4)

yarn.lock

@@ -3080,16 +3080,9 @@ js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
 
-js-yaml@3.13.0:
-  version "3.13.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.0.tgz#38ee7178ac0eea2c97ff6d96fff4b18c7d8cf98e"
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^4.0.0"
-
-js-yaml@^3.12.0, js-yaml@^3.9.0:
-  version "3.12.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.1.tgz#295c8632a18a23e054cf5c9d3cecafe678167600"
+js-yaml@3.13.1, js-yaml@^3.12.0, js-yaml@^3.9.0:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -3678,8 +3671,8 @@ mkdirp@0.5.1, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
     minimist "0.0.8"
 
 mocha@^6.1.3:
-  version "6.1.3"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.3.tgz#79d1b370a92dfdb409e6f77bc395ca5afe4cdc93"
+  version "6.1.4"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.4.tgz#e35fada242d5434a7e163d555c705f6875951640"
   dependencies:
     ansi-colors "3.2.3"
     browser-stdout "1.3.1"
@@ -3690,7 +3683,7 @@ mocha@^6.1.3:
     glob "7.1.3"
     growl "1.10.5"
     he "1.2.0"
-    js-yaml "3.13.0"
+    js-yaml "3.13.1"
     log-symbols "2.2.0"
     minimatch "3.0.4"
     mkdirp "0.5.1"