feat(nitro): Handle sourcemap preparation and upload #46098

Job	Run time
job_get_metadata / Get Metadata	5s
Check PR branches	3s
Build	10m 21s
Check lockfile	3m 10s
Check file formatting	3m 42s
Size Check	2m 1s
Browser Unit Tests	1m 54s
Circular Dependency Check	1m 32s
Prepare E2E tests	2m 50s
Lint	1m 10s
Cloudflare Integration Tests	1m 40s
Node (20) Unit Tests	1m 21s
Node (24) Unit Tests	1m 23s
Node (22) Unit Tests	1m 29s
Check for faulty .d.ts files	35s
Node (18) Unit Tests	1m 35s
Deno Unit 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
PW ${{ matrix.bundle }} Tests	0s
Remix (Node ${{ matrix.node }}) Tests	0s
Upload Artifacts	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} 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
E2E nitro-3 Test	1m 47s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	-1s
All required jobs passed or were skipped	5s
	36m 42s

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