Update dependency webpack to v5.104.1

Author: renovate[bot]

client/package-lock.json

@@ -88,7 +88,7 @@
     "ts-node": "10.9.2",
     "typescript": "5.9.2",
     "typescript-plugin-css-modules": "5.2.0",
-    "webpack": "5.101.3",
+    "webpack": "5.104.1",
     "webpack-bundle-analyzer": "4.10.2",
     "webpack-cli": "6.0.1",
     "webpack-dev-server": "5.2.2",