fix(@angular-devkit/build-angular): update webpack to version 5.104.1

This fixes a performance regression. See: #31350 (comment)

Author: alan-agius4

packages/angular_devkit/build_angular/package.json

@@ -55,7 +55,7 @@
     "terser": "5.43.1",
     "tree-kill": "1.2.2",
     "tslib": "2.8.1",
-    "webpack": "5.101.2",
+    "webpack": "5.104.1",
     "webpack-dev-middleware": "7.4.2",
     "webpack-dev-server": "5.2.2",
     "webpack-merge": "6.0.1",

packages/ngtools/webpack/package.json

@@ -30,6 +30,6 @@
     "@angular/compiler": "20.3.7",
     "@angular/compiler-cli": "20.3.7",
     "typescript": "5.9.2",
-    "webpack": "5.101.2"
+    "webpack": "5.104.1"
   }
 }