Add `setup-codeql` action #6016

Job	Run time
Ruby analysis (macos-latest, linked)	1m 8s
Ruby analysis (ubuntu-latest, default)	48s
Ruby analysis (ubuntu-latest, linked)	54s
Ruby analysis (ubuntu-latest, nightly-latest)	51s
Ruby analysis (macos-latest, nightly-latest)	1m 13s
Ruby analysis (macos-latest, default)	55s
	5m 49s

Provide feedback