Fix `upload-sarif` potentially initialising CodeQL twice (second attempt) #7023

Job	Run time
Ruby analysis (macos-latest, default)	50s
Ruby analysis (macos-latest, linked)	56s
Ruby analysis (ubuntu-latest, default)	47s
Ruby analysis (ubuntu-latest, nightly-latest)	55s
Ruby analysis (macos-latest, nightly-latest)	1m 14s
Ruby analysis (ubuntu-latest, linked)	51s
	5m 33s

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