Updates dependencies to fix vulnerabilities

38020 vulnerabilities fixed

package.json

@@ -15,17 +15,17 @@
     "react-dom": "^16.12.0"
   },
   "devDependencies": {
-    "web-ext": "^4.2.0",
     "@types/chrome": "0.0.91",
     "@types/firefox-webext-browser": "70.0.1",
     "@types/jest": "^24.0.23",
     "@types/jquery": "^3.3.31",
-    "copy-webpack-plugin": "^5.0.5",
-    "jest": "^24.9.0",
-    "ts-jest": "^24.2.0",
+    "copy-webpack-plugin": "^6.0.3",
+    "jest": "^26.4.0",
     "rimraf": "^3.0.0",
+    "ts-jest": "^26.2.0",
     "ts-loader": "^6.2.1",
     "typescript": "~3.7.3",
+    "web-ext": "^5.0.0",
     "webpack": "~4.41.2",
     "webpack-cli": "~3.3.10",
     "webpack-merge": "~4.2.2"

webpack/webpack.common.js

@@ -35,11 +35,18 @@ module.exports = env => ({
     },
     plugins: [
         // exclude locale files in moment
-        new CopyPlugin([
-            { from: '.', to: '../', ignore: ['manifest.json'] }
-          ],
-          {context: 'public' }
-        ),
+        new CopyPlugin({
+          patterns: [
+            {
+              from: '.',
+              to: '../',
+              globOptions: {
+                ignore: ['manifest.json'],
+              },
+              context: './public',
+            }
+          ]
+        }),
         new BuildManifest({
             browser: env.browser,
             pretty: env.mode === "production",