feat(nitro): Handle sourcemap preparation and upload #46005

Job	Run time
job_get_metadata / Get Metadata	8s
Check file formatting	40s
Check PR branches	3s
Build	7m 42s
Check lockfile	3m 2s
Browser Unit Tests	1m 30s
Size Check	2m 4s
Lint	1m 7s
Check for faulty .d.ts files	39s
Cloudflare Integration Tests	1m 50s
Circular Dependency Check	1m 38s
Node (24) Unit Tests	1m 20s
Node (22) Unit Tests	1m 33s
Node (20) Unit Tests	1m 34s
Prepare E2E tests	2m 55s
Deno Unit Tests	0s
Upload Artifacts	0s
Node (18) Unit Tests	1m 42s
Remix (Node ${{ matrix.node }}) Tests	0s
Bun Integration Tests	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Node-Core Integration Tests	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	0s
Bun Unit Tests	0s
PW ${{ matrix.bundle }} Tests	0s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
E2E nitro-3 Test	1m 50s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	0s
All required jobs passed or were skipped	4s
	31m 21s

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