fix: improve assets discovery worker stability. #2112

Job	Run time
Run E2E tests (mysql, mysql, 3306)	8m 40s
Build Registry (src, refs/pull/597/merge)	9m 43s
Run E2E tests (pg, postgres, 5432)	9m 2s
Build ILC (src, refs/pull/597/merge)	1m 39s
Build Registry (dest, master)	6m 16s
Build ILC (dest, master)	1m 42s
Test Registry (src, refs/pull/597/merge, sqlite3)	1m 41s
Test Registry (src, refs/pull/597/merge, mysql, mysql, 3306)	1m 38s
Test Registry (src, refs/pull/597/merge, pg, postgres, 5432)	1m 47s
Test Registry (dest, master, sqlite3)	1m 36s
Test Registry (dest, master, mysql, mysql, 3306)	1m 32s
Test Registry (dest, master, pg, postgres, 5432)	1m 31s
Push images to registry	15s
PR Coverage Report	3m 9s
Build documentation	0s
	50m 11s

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