Update JS dependencies (#13455)

- Update all JS dependencies minus Webpack
- Add postcss again to avoid warnings about missing peerDependencies

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

package.json

@@ -8,39 +8,40 @@
     "@babel/core": "7.12.3",
     "@babel/plugin-transform-runtime": "7.12.1",
     "@babel/preset-env": "7.12.1",
-    "@babel/runtime": "7.12.1",
+    "@babel/runtime": "7.12.5",
     "@claviska/jquery-minicolors": "2.3.5",
     "@primer/octicons": "11.0.0",
     "add-asset-webpack-plugin": "1.0.0",
     "babel-loader": "8.1.0",
     "clipboard": "2.0.6",
-    "core-js": "3.6.5",
-    "css-loader": "5.0.0",
+    "core-js": "3.7.0",
+    "css-loader": "5.0.1",
     "css-minimizer-webpack-plugin": "1.1.5",
     "dropzone": "5.7.2",
     "escape-goat": "3.0.0",
     "fast-glob": "3.2.4",
-    "file-loader": "6.1.1",
+    "file-loader": "6.2.0",
     "fomantic-ui": "2.8.7",
     "font-awesome": "4.7.0",
     "jquery": "3.5.1",
     "jquery.are-you-sure": "1.9.0",
     "less": "3.12.2",
     "less-loader": "7.0.2",
-    "license-webpack-plugin": "2.3.0",
-    "mermaid": "8.8.2",
-    "mini-css-extract-plugin": "1.1.1",
+    "license-webpack-plugin": "2.3.1",
+    "mermaid": "8.8.3",
+    "mini-css-extract-plugin": "1.3.0",
     "monaco-editor": "0.21.2",
     "monaco-editor-webpack-plugin": "2.0.0",
+    "postcss": "8.1.6",
     "raw-loader": "4.0.2",
     "sortablejs": "1.12.0",
-    "swagger-ui": "3.35.2",
+    "swagger-ui": "3.36.2",
     "terser-webpack-plugin": "4.2.3",
     "tributejs": "5.1.3",
     "vue": "2.6.12",
     "vue-bar-graph": "1.2.0",
     "vue-calendar-heatmap": "0.8.4",
-    "vue-loader": "15.9.3",
+    "vue-loader": "15.9.5",
     "vue-template-compiler": "2.6.12",
     "webpack": "4.44.1",
     "webpack-cli": "3.3.12",
@@ -51,14 +52,14 @@
     "wrap-ansi": "7.0.0"
   },
   "devDependencies": {
-    "eslint": "7.11.0",
+    "eslint": "7.13.0",
     "eslint-plugin-import": "2.22.1",
     "eslint-plugin-unicorn": "23.0.0",
     "eslint-plugin-vue": "7.1.0",
     "stylelint": "13.7.2",
     "stylelint-config-standard": "20.0.0",
     "svgo": "1.3.2",
-    "updates": "11.3.0"
+    "updates": "11.4.0"
   },
   "browserslist": [
     "defaults",