Add `setup-codeql` action #6031

Job	Run time
Ruby analysis (macos-latest, default)	50s
Ruby analysis (ubuntu-latest, linked)	49s
Ruby analysis (ubuntu-latest, default)	49s
Ruby analysis (macos-latest, nightly-latest)	58s
Ruby analysis (ubuntu-latest, nightly-latest)	47s
Ruby analysis (macos-latest, linked)	1m 22s
	5m 35s

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