Enable rebuilding PRs with conflicts #973

Job	Run time
Upload debug artifacts after failure in analyze (default)	3m 58s
Upload debug artifacts after failure in analyze (stable-v2.20.3)	2m 8s
Upload debug artifacts after failure in analyze (nightly-latest)	3m 12s
Upload debug artifacts after failure in analyze (linked)	3m 23s
Download and check debug artifacts after failure in analyze	9s
	12m 50s

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