Upgrade `github/codeql` dependency to 2.21.4 #3405

Job	Run time
Run release tests	17s
Run Guideline Recategorization tests	12s
Prepare supported CodeQL environment matrix	6s
Run analysis report tests (2.21.4, codeql-cli/v2.21.4, codeql-bundle-v2.21.4)	5m 21s
	5m 56s

Provide feedback