Bump cmem-plugin-base from 4.2.0 to 4.3.0

Bumps [cmem-plugin-base](https://github.com/eccenca/cmem-plugin-template) from 4.2.0 to 4.3.0.
- [Changelog](https://github.com/eccenca/cmem-plugin-template/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eccenca/cmem-plugin-template/commits)

---
updated-dependencies:
- dependency-name: cmem-plugin-base
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>