test(@angular-devkit/build-angular): update golden file

Author: alan-agius4

goldens/public-api/angular_devkit/build_angular/index.md

@@ -79,7 +79,7 @@ export type BrowserBuilderOutput = BuilderOutput & {
     outputs: {
         locale?: string;
         path: string;
-        baseHref: string;
+        baseHref?: string;
     }[];
 };