Update dependency css-loader to v6.6.0

Author: renovate-bot

package-lock.json

@@ -18,7 +18,7 @@
     "@babel/plugin-syntax-dynamic-import": "7.8.3",
     "@babel/preset-env": "7.16.11",
     "babel-loader": "8.2.3",
-    "css-loader": "6.5.1",
+    "css-loader": "6.6.0",
     "file-loader": "6.2.0",
     "html-webpack-plugin": "5.5.0",
     "sass": "1.49.7",