test: update ngtools/webpack size check

See angular/angular#31404 for details.

Author: filipesilva

tests/legacy-cli/e2e/tests/packages/webpack/test-app.ts

@@ -8,7 +8,8 @@ export default function(skipCleaning: () => void) {
   return Promise.resolve()
     .then(() => createProjectFromAsset('webpack/test-app'))
     .then(() => exec(normalize('node_modules/.bin/webpack-cli')))
-    .then(() => expectFileSizeToBeUnder('dist/app.main.js', 470 * 1024))
+    // Note: these sizes are without Build Optimizer or any advanced optimizations in the CLI.
+    .then(() => expectFileSizeToBeUnder('dist/app.main.js', 483 * 1024))
     .then(() => expectFileSizeToBeUnder('dist/0.app.main.js', 25 * 1024))
     .then(() => expectFileSizeToBeUnder('dist/1.app.main.js', 2 * 1024))
     // test resource urls without ./