Angular CLI: 21.0.0-rc.5 Release

@schematics/angular

| Commit | Description | | -- | -- | | | add missing typeSeparator to main.ts.template file | | | issues in apps generated with '--file-name-style-guide=2016' flag |

@angular/build

| Commit | Description | | -- | -- | | | configure Vitest cache to use Angular cache | | | correct Vitest coverage include handling for virtual files | | | disable Vitest test isolation by default | | | prioritize string type for runnerConfig schema |