* [Ubuntu] Update default CodeQL major version to v3
* [Ubuntu] use the latest CodeQL Action major version
Instead of hardcoding it!
* Add missing `v` to CodeQL bundle URL
* [ubuntu] Rename build scripts
* [ubuntu] Change reboot to inline shell
* [ubuntu] Move disk space validation to pester tests
* [ubuntu] Rename helper and tests files
* [ubuntu] Changes to cleanup, post-deployment and r scripts