Support requesting latest version from toolcache with `tools: toolcache` #7973

Job	Run time
Split workflow (ubuntu-latest, default)	1m 17s
Split workflow (macos-latest, nightly-latest)	1m 33s
Split workflow (macos-latest, linked)	2m 15s
Split workflow (ubuntu-latest, linked)	1m 22s
Split workflow (ubuntu-latest, nightly-latest)	1m 4s
Split workflow (macos-latest, default)	1m 34s
	9m 5s

Provide feedback