chore(deps): bump the dev-dependencies group with 2 updates

Bumps the dev-dependencies group with 2 updates: [helm/chart-testing-action](https://github.com/helm/chart-testing-action) and [helm/chart-releaser-action](https://github.com/helm/chart-releaser-action).


Updates `helm/chart-testing-action` from 2.6.1 to 2.7.0
- [Release notes](https://github.com/helm/chart-testing-action/releases)
- [Commits](e6669bcd63...0d28d3144d)

Updates `helm/chart-releaser-action` from 1.6.0 to 1.7.0
- [Release notes](https://github.com/helm/chart-releaser-action/releases)
- [Commits](a917fd15b2...cae68fefc6)

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

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

.github/workflows/lint-test-chart.yaml

@@ -65,7 +65,7 @@ jobs:
           python-version: "3.x"
 
       - name: Set-up chart-testing
-        uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
+        uses: helm/chart-testing-action@0d28d3144d3a25ea2cc349d6e59901c4ff469b3b # v2.7.0
 
       - name: Check for changes
         id: changes

.github/workflows/release-chart.yaml

@@ -57,7 +57,7 @@ jobs:
           version: latest
 
       - name: Run chart-releaser
-        uses: helm/chart-releaser-action@a917fd15b20e8b64b94d9158ad54cd6345335584 # v1.6.0
+        uses: helm/chart-releaser-action@cae68fefc6b5f367a0275617c9f83181ba54714f # v1.7.0
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
           CR_RELEASE_NAME_TEMPLATE: "external-dns-helm-chart-{{ .Version }}"