Angular CLI: v21.1.0-next.2 Release

@angular/cli

| Commit | Description | | -- | -- | | | correctly handle yarn classic tag manifest fetching | | | correctly spawn package managers on Windows in new abstraction | | | optimize ng add version discovery |

@angular-devkit/build-angular

| Commit | Description | | -- | -- | | | conditionally provide Zone.js change detection in the built-in test main file |

@angular/build

| Commit | Description | | -- | -- | | | Add custom middleware for to present an Angular-tailored message | | | Ensure disposal of close-javascript-transformer | | | ensure locale base href retains leading slash (#32040) | | | inject testing polyfills in Karma unit-test executor | | | support NODE_EXTRA_CA_CERTS in SSR SSL plugin |