Add "Baseline" query suites for C/C++. #3292

Job	Run time
Prepare supported CodeQL environment matrix	4s
Run Guideline Recategorization tests	11s
Run release tests	14s
Run analysis report tests (2.20.7, codeql-cli/v2.20.7, codeql-bundle-v2.20.7)	11m 8s
	11m 37s

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