Bump azure/setup-kubectl from 3 to 5 (#497)

Bumps [azure/setup-kubectl](https://github.com/azure/setup-kubectl) from 3 to 5.
- [Release notes](https://github.com/azure/setup-kubectl/releases)
- [Changelog](https://github.com/Azure/setup-kubectl/blob/main/CHANGELOG.md)
- [Commits](Azure/setup-kubectl@v3...v5)

---
updated-dependencies:
- dependency-name: azure/setup-kubectl
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

.github/workflows/docker-build.yml

@@ -57,7 +57,7 @@ jobs:
     steps:
       -
         name: Set up kubectl
-        uses: azure/setup-kubectl@v3
+        uses: azure/setup-kubectl@v5
       -
         name: Set up kubeconfig
         uses: azure/k8s-set-context@v5