Bump helm/chart-releaser-action from 1.4.1 to 1.6.0

Bumps [helm/chart-releaser-action](https://github.com/helm/chart-releaser-action) from 1.4.1 to 1.6.0.
- [Release notes](https://github.com/helm/chart-releaser-action/releases)
- [Commits](helm/chart-releaser-action@v1.4.1...v1.6.0)

---
updated-dependencies:
- dependency-name: helm/chart-releaser-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yaml

@@ -31,7 +31,7 @@ jobs:
           helm repo add grafana https://grafana.github.io/helm-charts
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.4.1
+        uses: helm/chart-releaser-action@v1.6.0
         with:
           charts_dir: charts
         env: