Bump mini-css-extract-plugin from 0.8.0 to 0.9.0 in /js

Bumps [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/webpack-contrib/mini-css-extract-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/v0.8.0...v0.9.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

js/package-lock.json

@@ -5783,9 +5783,9 @@
       "dev": true
     },
     "mini-css-extract-plugin": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.8.0.tgz",
-      "integrity": "sha512-MNpRGbNA52q6U92i0qbVpQNsgk7LExy41MdAlG84FeytfDOtRIf/mCHdEgG8rpTKOaNKiqUnZdlptF469hxqOw==",
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-0.9.0.tgz",
+      "integrity": "sha512-lp3GeY7ygcgAmVIcRPBVhIkf8Us7FZjA+ILpal44qLdSu11wmjKQ3d9k15lfD7pO4esu9eUIAW7qiYIBppv40A==",
       "dev": true,
       "requires": {
         "loader-utils": "^1.1.0",
@@ -8244,9 +8244,9 @@
       }
     },
     "webpack-sources": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.3.0.tgz",
-      "integrity": "sha512-OiVgSrbGu7NEnEvQJJgdSFPl2qWKkWq5lHMhgiToIiN9w34EBnjYzSYs+VbL5KoYiLNtFFa7BZIKxRED3I32pA==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.4.3.tgz",
+      "integrity": "sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==",
       "dev": true,
       "requires": {
         "source-list-map": "^2.0.0",

js/package.json

@@ -33,7 +33,7 @@
     "babel-loader": "^8.0.6",
     "css-loader": "^3.4.0",
     "karma": "^4.4.1",
-    "mini-css-extract-plugin": "^0.8.0",
+    "mini-css-extract-plugin": "^0.9.0",
     "style-loader": "^1.1.1",
     "url-loader": "^3.0.0",
     "vue-loader": "^15.8.3",