feat(nitro): Handle sourcemap preparation and upload #46006

Job	Run time
job_get_metadata / Get Metadata	7s
Build	7m 19s
Check lockfile	3m 33s
Check file formatting	1m 8s
Check PR branches	5s
Browser Unit Tests	1m 48s
Size Check	2m 15s
Lint	1m 12s
Circular Dependency Check	1m 48s
Cloudflare Integration Tests	1m 56s
Node (24) Unit Tests	1m 56s
Prepare E2E tests	2m 55s
Check for faulty .d.ts files	39s
Node (18) Unit Tests	1m 48s
Node (20) Unit Tests	1m 55s
Node (22) Unit Tests	1m 29s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Node-Core Integration Tests	0s
Deno Unit Tests	0s
Remix (Node ${{ matrix.node }}) Tests	0s
Upload Artifacts	0s
Bun Integration Tests	0s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	0s
PW ${{ matrix.bundle }} Tests	0s
Bun Unit Tests	0s
E2E nitro-3 Test	1m 49s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	0s
All required jobs passed or were skipped	4s
	33m 46s

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