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)
- [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/helm-chart-ci.yml

@@ -50,7 +50,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v3.5
+        uses: azure/setup-helm@v4
         with:
           version: ${{ env.HELM_VERSION }}
 
@@ -136,7 +136,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Helm
-        uses: azure/setup-helm@v3.5
+        uses: azure/setup-helm@v4
         with:
           version: ${{ env.HELM_VERSION }}