update packages

.gitignore

@@ -21,3 +21,5 @@ yarn-error.log*
 *.njsproj
 *.sln
 *.sw*
+
+.npmrc

package.json

@@ -27,40 +27,40 @@
     "Readme.md"
   ],
   "dependencies": {
-    "vue-class-component": "^7.2.3",
-    "vue-property-decorator": "^8.4.2"
+    "vue-class-component": "^7.2.5",
+    "vue-property-decorator": "^9.0.0"
   },
   "peerDependencies": {
     "vue": "^2.6.11"
   },
   "devDependencies": {
-    "@rollup/plugin-node-resolve": "^7.1.3",
-    "@types/chai": "^4.2.11",
-    "@types/mocha": "^7.0.2",
-    "@typescript-eslint/eslint-plugin": "^2.33.0",
-    "@typescript-eslint/parser": "^2.33.0",
-    "@vue/cli-plugin-eslint": "^4.3.1",
-    "@vue/cli-plugin-typescript": "^4.3.1",
-    "@vue/cli-plugin-unit-mocha": "^4.3.1",
-    "@vue/cli-service": "^4.3.1",
+    "@rollup/plugin-node-resolve": "^8.0.1",
+    "@types/chai": "^4.2.12",
+    "@types/mocha": "^8.0.0",
+    "@typescript-eslint/eslint-plugin": "^3.2.0",
+    "@typescript-eslint/parser": "^3.2.0",
+    "@vue/cli-plugin-eslint": "^4.4.1",
+    "@vue/cli-plugin-typescript": "^4.4.1",
+    "@vue/cli-plugin-unit-mocha": "^4.4.1",
+    "@vue/cli-service": "^4.4.1",
     "@vue/eslint-config-typescript": "^5.0.2",
-    "@vue/test-utils": "^1.0.2",
+    "@vue/test-utils": "^1.0.3",
     "babel-eslint": "^10.1.0",
     "chai": "^4.2.0",
-    "eslint": "^7.0.0",
-    "eslint-plugin-prettier": "^3.1.3",
+    "eslint": "^7.2.0",
+    "eslint-plugin-prettier": "^3.1.4",
     "eslint-plugin-vue": "^6.2.2",
-    "rollup": "^2.10.2",
+    "rollup": "^2.15.0",
     "rollup-plugin-css-porter": "^1.0.2",
-    "rollup-plugin-filesize": "^9.0.0",
+    "rollup-plugin-filesize": "^9.0.2",
     "rollup-plugin-sass": "^1.2.2",
-    "rollup-plugin-terser": "^5.3.0",
+    "rollup-plugin-terser": "^6.1.0",
     "rollup-plugin-typescript2": "^0.27.1",
     "rollup-plugin-vue": "^5.1.7",
     "sass": "^1.26.5",
-    "sass-loader": "^8.0.2",
-    "terser": "^4.6.13",
-    "typescript": "^3.9.2",
+    "sass-loader": "^9.0.2",
+    "terser": "^4.7.0",
+    "typescript": "^3.9.5",
     "vue": "^2.6.11",
     "vue-template-compiler": "^2.6.11"
   },