Implement Concurrency9 package #2851

Job	Run time
Run release tests	12s
Run Guideline Recategorization tests	10s
Prepare supported CodeQL environment matrix	5s
Run analysis report tests (2.19.4, codeql-cli/v2.19.4, codeql-bundle-v2.19.4)	4m 39s
	5m 6s

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