Merge pull request #1001 from github/michaelrfairhurst/dead-code-3-un… #3436

Job	Run time
Prepare supported CodeQL environment matrix	6s
Run release tests	20s
Run Guideline Recategorization tests	15s
Run analysis report tests (2.21.4, codeql-cli/v2.21.4, codeql-bundle-v2.21.4)	5m 2s
	5m 43s

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