build(deps): bump helm/chart-testing-action from 2.6.1 to 2.7.0

Bumps [helm/chart-testing-action](https://github.com/helm/chart-testing-action) from 2.6.1 to 2.7.0.
- [Release notes](https://github.com/helm/chart-testing-action/releases)
- [Commits](helm/chart-testing-action@v2.6.1...v2.7.0)

---
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/pr-packaging.yml

@@ -16,7 +16,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       # FIXME
       #- name: Run chart-testing (list-changed)

.github/workflows/release.yml

@@ -86,7 +86,7 @@ jobs:
           check-latest: true
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Run golangci-lint
         uses: golangci/golangci-lint-action@v6
@@ -207,7 +207,7 @@ jobs:
           kubectl wait pods -n cert-manager -l app.kubernetes.io/instance=cert-manager --for condition=Ready --timeout=90s
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Set up helm
         uses: azure/setup-helm@v4
@@ -340,7 +340,7 @@ jobs:
           kubectl wait pods -n cert-manager -l app.kubernetes.io/instance=cert-manager --for condition=Ready --timeout=30s
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Set up helm
         uses: azure/setup-helm@v4

.github/workflows/tests.yaml

@@ -117,7 +117,7 @@ jobs:
           kubectl wait pods -n cert-manager -l app.kubernetes.io/instance=cert-manager --for condition=Ready --timeout=90s
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Set up helm
         uses: azure/setup-helm@v4
@@ -258,7 +258,7 @@ jobs:
           kubectl wait pods -n cert-manager -l app.kubernetes.io/instance=cert-manager --for condition=Ready --timeout=30s
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Set up helm
         uses: azure/setup-helm@v4