Support non-lock files for C# cache key computation #1985

Job	Run time
Upload debug artifacts after failure in analyze (stable-v2.20.3)	1m 40s
Upload debug artifacts after failure in analyze (default)	3m 34s
Upload debug artifacts after failure in analyze (nightly-latest)	3m 15s
Upload debug artifacts after failure in analyze (linked)	3m 45s
Download and check debug artifacts after failure in analyze	11s
	12m 25s

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