chore(deps): bump azure/setup-helm in /.github/actions/run-tests (#12351)

Bumps [azure/setup-helm](https://github.com/azure/setup-helm) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/azure/setup-helm/releases)
- [Changelog](https://github.com/Azure/setup-helm/blob/main/CHANGELOG.md)
- [Commits](fe7b79cd5e...b9e51907a0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/actions/run-tests/action.yaml

@@ -37,7 +37,7 @@ runs:
     # install tools
     - name: Install helm
       id: helm
-      uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0
+      uses: azure/setup-helm@b9e51907a09c216f16ebe8536097933489208112 # v4.3.0
     - name: Install Cosign
       uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
     - name: Install chainsaw