ng-deploy's browserTarget and prerender's browserTarget do not match. Please check your angular.json

### Which @angular/* package(s) are the source of the bug?

Don't known / other

### Is this a regression?

Yes

### Description

I update my angular project with firebase to v18. When I run ng deploy, I get the below error. Reverting back to angular v17 fixed the error.

### Please provide a link to a minimal reproduction of the bug

_No response_

### Please provide the exception or error you saw

```true
ng-deploy's browserTarget and prerender's browserTarget do not match. Please check your angular.json
```

### Please provide the environment you discovered this bug in (run `ng version`)

```true
Angular CLI: 18.0.4
Node: 20.9.0
Package Manager: npm 10.8.1
OS: darwin arm64

Angular: 18.0.3
... animations, cdk, common, compiler, compiler-cli, core, forms
... material, platform-browser, platform-browser-dynamic
... platform-server, router, service-worker

Package Version
---------------------------------------------------------
@angular-devkit/architect 0.1800.4
@angular-devkit/build-angular 18.0.4
@angular-devkit/core 18.0.4
@angular-devkit/schematics 18.0.4
@angular/cli 18.0.4
@angular/fire 18.0.1
@angular/ssr 18.0.4
@schematics/angular 18.0.4
rxjs 7.8.1
typescript 5.4.5
zone.js 0.14.7
```

### Anything else?

_No response_

まず Angular 18 プロジェクトで ng deploy を使って失敗を再現し、ng-deploy と prerender が使用する angular.json の browserTarget 値を調べます。これらのターゲットを報告されたエラーと比較します。デプロイ時に browserTarget の不一致が報告されなくなれば完了です。

索引モデルが issue の本文から書いたものです。