* **README.md**
- Add instructions for the new workflow
- Update steps to include Python environment setup and `python semver` installation
* **.github/workflows/ci-version-bump.yml**
- Add condition to only push version changes on main branch runs
- Add step to comment on the next version to publish after a PR merge
* **renovate.json**
- Update to include chart version bumping
* **.github/workflows/ci-version-bump.yml**
- Replace Node.js setup with Python setup
- Install semver using pip
- Use Python and semver for version bumping instead of npm
* **README.md**
- Add instructions for the new CI version bump workflow