Bump helm/chart-releaser-action from 1.5.0 to 1.6.0

Bumps [helm/chart-releaser-action](https://github.com/helm/chart-releaser-action) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/helm/chart-releaser-action/releases)
- [Commits](helm/chart-releaser-action@v1.5.0...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] <[email protected]>

.github/workflows/charts.yml

@@ -64,7 +64,7 @@ jobs:
           cp -v *.md charts/applicationset/
       - name: Run chart-releaser
         if: ${{ contains(github.ref, 'main') }}
-        uses: helm/chart-releaser-action@v1.5.0
+        uses: helm/chart-releaser-action@v1.6.0
         with:
           charts_dir: charts
           config: charts/cr.yml