Angular CLI: v21.2.9 Release

@schematics/angular

| Commit | Description | | -- | -- | | | add missing imports for focus and skip APIs in refactor-jasmine-vitest |

@angular/cli

| Commit | Description | | -- | -- | | | fix broken img ref in ai-tutor | | | introduce initial package manager workspace awareness | | | remove standalone true ref in ai tutor |

@angular/ssr

| Commit | Description | | -- | -- | | | introduce trustProxyHeaders option to safely validate and sanitize proxy headers | | | add support for configuring trusted proxy headers via environment variable | | | decode route segments when building and matching route tree | | | use router to normalize URLs for comparison |