build: move sass from dependencies to devDependencies in build-angular

This `sass` version is only used for types, as the `sass` implementation is in `@angular/build`.

Author: alan-agius4

packages/angular_devkit/build_angular/package.json

@@ -46,7 +46,6 @@
     "postcss-loader": "8.2.1",
     "resolve-url-loader": "5.0.0",
     "rxjs": "7.8.2",
-    "sass": "1.103.1",
     "sass-loader": "17.0.0",
     "semver": "7.8.5",
     "source-map-loader": "5.0.0",
@@ -67,6 +66,7 @@
     "@angular/ssr": "workspace:*",
     "browser-sync": "3.0.4",
     "ng-packagr": "22.2.0-next.4",
+    "sass": "1.103.1",
     "undici": "8.10.0"
   },
   "peerDependencies": {