ci(deps): bump azure/aks-set-context from 3 to 4 (#613)

Bumps [azure/aks-set-context](https://github.com/azure/aks-set-context) from 3 to 4.
- [Release notes](https://github.com/azure/aks-set-context/releases)
- [Changelog](https://github.com/Azure/aks-set-context/blob/main/CHANGELOG.md)
- [Commits](Azure/aks-set-context@v3...v4)

---
updated-dependencies:
- dependency-name: azure/aks-set-context
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/deploy-k8s.yml

@@ -34,7 +34,7 @@ jobs:
           client-id: ${{ secrets.AZURE_CLIENT_ID }}
           tenant-id: ${{ secrets.AZURE_TENANT_ID }}
           subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }} 
-      - uses: azure/aks-set-context@v3
+      - uses: azure/aks-set-context@v4
         with:
           resource-group: ${{env.AZURE_RESOURCE_GROUP}}
           cluster-name: ${{env.AZURE_AKS_CLUSTER}}