chore(deps): 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@5119fcb...fe7b79c)

---
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.yml

@@ -48,7 +48,7 @@ jobs:
       # Setup Helm
       # https://github.com/Azure/setup-helm
       - name: Install Helm
-        uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
+        uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}