feat(nitro): Handle sourcemap preparation and upload #45878

Job	Run time
job_get_metadata / Get Metadata	7s
Check PR branches	5s
Build	9m 47s
Check lockfile	3m 22s
Check file formatting	3m 15s
Circular Dependency Check	1m 30s
Size Check	2m 4s
Browser Unit Tests	1m 46s
Lint	1m 10s
Check for faulty .d.ts files	37s
Node (24) Unit Tests	1m 30s
Prepare E2E tests	2m 57s
Node (20) Unit Tests	1m 18s
Node (22) Unit Tests	1m 43s
Cloudflare Integration Tests	1m 52s
Node (18) Unit Tests	1m 31s
Remix (Node ${{ matrix.node }}) Tests	0s
PW ${{ matrix.bundle }} Tests	0s
Bun Integration Tests	0s
Bun Unit Tests	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Node-Core Integration Tests	0s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
Upload Artifacts	0s
Deno Unit Tests	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	0s
E2E nitro-3 Test	2m 24s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	-1s
All required jobs passed or were skipped	4s
	37m 1s

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