Bump collections/ansible_collections/community/grafana

Bumps [collections/ansible_collections/community/grafana](https://github.com/ansible-collections/community.grafana) from `c7408f1` to `72d5c1b`.
- [Release notes](https://github.com/ansible-collections/community.grafana/releases)
- [Commits](ansible-collections/community.grafana@c7408f1...72d5c1b)

---
updated-dependencies:
- dependency-name: collections/ansible_collections/community/grafana
  dependency-type: direct:production
...

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