Merge pull request #27475 from element-hq/renovate/css-minimizer-webpack-plugin-7.x

Update dependency css-minimizer-webpack-plugin to v7

Author: dbkr

package.json

@@ -148,7 +148,7 @@
         "copy-webpack-plugin": "^12.0.0",
         "cronstrue": "^2.41.0",
         "css-loader": "^7.0.0",
-        "css-minimizer-webpack-plugin": "^6.0.0",
+        "css-minimizer-webpack-plugin": "^7.0.0",
         "dotenv": "^16.0.2",
         "eslint": "8.57.0",
         "eslint-config-google": "^0.14.0",