Revert version bump for temporary release work #3382

Job	Run time
Prepare supported CodeQL environment matrix	5s
Run Guideline Recategorization tests	11s
Run release tests	12s
Run analysis report tests (2.20.7, codeql-cli/v2.20.7, codeql-bundle-v2.20.7)	5m 5s
	5m 33s

Provide feedback