Merge pull request #398 from SwiftFiddle/renovate/webpack-5.x

Update dependency webpack to v5.81.0

Author: kishikawakatsumi

package-lock.json

@@ -25,7 +25,7 @@
     "sass": "1.62.1",
     "sass-loader": "13.2.2",
     "style-loader": "3.3.2",
-    "webpack": "5.80.0",
+    "webpack": "5.81.0",
     "webpack-bundle-analyzer": "4.8.0",
     "webpack-cli": "5.0.2",
     "webpack-merge": "5.8.0"