Bump version to 2.44.0-dev #2931

Job	Run time
Run release tests	12s
Prepare supported CodeQL environment matrix	4s
Run Guideline Recategorization tests	8s
Run analysis report tests (2.19.4, codeql-cli/v2.19.4, codeql-bundle-v2.19.4)	4m 9s
	4m 33s

Provide feedback