Bump helm/chart-testing-action from 2.4.0 to 2.6.1

Bumps [helm/chart-testing-action](https://github.com/helm/chart-testing-action) from 2.4.0 to 2.6.1.
- [Release notes](https://github.com/helm/chart-testing-action/releases)
- [Commits](helm/chart-testing-action@e878887...e6669bc)

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

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

.github/workflows/lint-test.yaml

@@ -24,7 +24,7 @@ jobs:
           python-version: 3.x
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
+        uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
 
       - name: Run chart-testing (list-changed)
         id: list-changed