Update supported GitHub Enterprise Server versions #132

Job	Run time
Quality queries input (ubuntu-latest, nightly-latest)	1m 14s
Quality queries input (macos-latest, nightly-latest)	1m 25s
Quality queries input (macos-latest, linked)	1m 3s
Quality queries input (windows-latest, linked)	2m 40s
Quality queries input (ubuntu-latest, linked)	1m 8s
Quality queries input (windows-latest, nightly-latest)	3m 16s
	10m 46s

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