Update dependency mini-css-extract-plugin to v2.6.1

Author: renovate-bot

package-lock.json

@@ -19,7 +19,7 @@
     "copy-webpack-plugin": "11.0.0",
     "css-loader": "6.7.1",
     "html-webpack-plugin": "5.5.0",
-    "mini-css-extract-plugin": "2.6.0",
+    "mini-css-extract-plugin": "2.6.1",
     "postcss": "8.4.14",
     "postcss-loader": "7.0.0",
     "sass": "1.52.3",