Add "Baseline" query suites for C/C++. #3342

Job	Run time
Run Guideline Recategorization tests	9s
Prepare supported CodeQL environment matrix	4s
Run release tests	10s
Run analysis report tests (2.20.7, codeql-cli/v2.20.7, codeql-bundle-v2.20.7)	5m 56s
	6m 19s

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