Bump azure/setup-helm from 3.5 to 4

Bumps [azure/setup-helm](https://github.com/azure/setup-helm) from 3.5 to 4.
- [Release notes](https://github.com/azure/setup-helm/releases)
- [Changelog](https://github.com/Azure/setup-helm/blob/main/CHANGELOG.md)
- [Commits](Azure/setup-helm@v3.5...v4)

---
updated-dependencies:
- dependency-name: azure/setup-helm
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/chart-repo-release.yml

@@ -32,7 +32,7 @@ jobs:
         uses: slateci/github-actions/.github/actions/configure-git@v17
 
       - name: Install Helm
-        uses: azure/setup-helm@v3.5
+        uses: azure/setup-helm@v4
         with:
           version: ${{ inputs.helm_version }}
 

.github/workflows/chart-repo-test.yml

@@ -53,7 +53,7 @@ jobs:
           path: .
 
       - name: Set up Helm
-        uses: azure/setup-helm@v3.5
+        uses: azure/setup-helm@v4
         with:
           version: ${{ inputs.helm_version }}