Update dependency webpack to v5.104.1

Author: renovate[bot]

package.json

@@ -166,7 +166,7 @@
     "qunit-dom": "3.5.0",
     "tracked-built-ins": "4.0.0",
     "typescript": "5.9.3",
-    "webpack": "5.103.0"
+    "webpack": "5.104.1"
   },
   "resolutions": {
     "@babel/runtime": "7.28.4",