Merge branch 'renovate/mini-css-extract-plugin-2.x' into 'master'

Update dependency mini-css-extract-plugin to v2.7.7

See merge request !3

package.json

@@ -5,7 +5,7 @@
     "css-loader": "6.9.1",
     "extract-loader": "5.1.0",
     "html-webpack-plugin": "5.6.0",
-    "mini-css-extract-plugin": "2.7.0",
+    "mini-css-extract-plugin": "2.7.7",
     "prometheus-query": "3.4.0",
     "purgecss-webpack-plugin": "4.1.3",
     "raw-loader": "4.0.2",