Support requesting latest version from toolcache with `tools: toolcache` #5912

Job	Run time
Ruby analysis (ubuntu-latest, linked)	49s
Ruby analysis (macos-latest, nightly-latest)	1m 4s
Ruby analysis (ubuntu-latest, nightly-latest)	53s
Ruby analysis (macos-latest, default)	1m 2s
Ruby analysis (macos-latest, linked)	55s
Ruby analysis (ubuntu-latest, default)	50s
	5m 33s

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