fix(angular): Bump TypeScript to ~6.0.0 in angular-21 E2E test app #45418

Job	Run time
job_get_metadata / Get Metadata	9s
Check PR branches	5s
Build	7m 18s
Check lockfile	3m 13s
Check file formatting	39s
Lint	1m 13s
Circular Dependency Check	1m 34s
Size Check	2m 7s
Browser Unit Tests	1m 21s
Check for faulty .d.ts files	37s
Cloudflare Integration Tests	1m 0s
Node (22) Unit Tests	1m 36s
Prepare E2E tests	2m 53s
Node (24) Unit Tests	1m 42s
Node (18) Unit Tests	1m 34s
Node (20) Unit Tests	1m 35s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	-1s
Remix (Node ${{ matrix.node }}) Tests	-1s
Deno Unit Tests	-1s
Node Overhead Check	-1s
PW ${{ matrix.bundle }} Tests	-1s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Node-Core Integration Tests	-1s
Upload Artifacts	-1s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	-1s
Bun Unit Tests	-1s
E2E angular (canary) Test (optional)	2m 55s
E2E angular-21 Test	3m 2s
All required jobs passed or were skipped	3s
	34m 27s

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