Introduce Release Notes generator: - workflow for release draft creation - [example](https://github.com/AbsaOSS/generate-release-notes/blob/master/.github/workflows/release_draft.yml) - workflow for pr check for release notes - [example](https://github.com/AbsaOSS/generate-release-notes/blob/master/.github/workflows/check_pr_release_notes.yml)
