chore(ilc/client): better support for source maps on prod #2076

Job	Run time
Run E2E tests (mysql, mysql, 3306)	4m 29s
Build ILC (src, refs/pull/587/merge)	9m 14s
Build Registry (src, refs/pull/587/merge)	32s
Build ILC (dest, master)	1m 39s
Build Registry (dest, master)	6m 13s
Run E2E tests (pg, postgres, 5432)	5m 12s
Test Registry (src, refs/pull/587/merge, sqlite3)	2m 9s
Test Registry (src, refs/pull/587/merge, mysql, mysql, 3306)	2m 19s
Test Registry (src, refs/pull/587/merge, pg, postgres, 5432)	2m 9s
Test Registry (dest, master, sqlite3)	1m 53s
Test Registry (dest, master, mysql, mysql, 3306)	1m 38s
Test Registry (dest, master, pg, postgres, 5432)	1m 39s
Push images to registry	14s
PR Coverage Report	4m 50s
Build documentation	0s
	44m 10s

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