Ignore pre-release parts when comparing GHES versions #794

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 24s
Upload debug artifacts after failure in analyze (nightly-latest)	2m 53s
Upload debug artifacts after failure in analyze (linked)	2m 39s
Download and check debug artifacts after failure in analyze	10s
	10m 46s

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