Bump azure/setup-kubectl from 3 to 4 in /.github/actions/setup-deploy

Bumps [azure/setup-kubectl](https://github.com/azure/setup-kubectl) from 3 to 4.
- [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...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/actions/setup-deploy/action.yaml

@@ -103,7 +103,7 @@ runs:
     # - 2i2c, k8s upgrades tracked: https://github.com/2i2c-org/infrastructure/issues/2293
     # - 2i2c, historical issue: https://github.com/2i2c-org/infrastructure/issues/1271
     #
-    - uses: azure/setup-kubectl@v3
+    - uses: azure/setup-kubectl@v4
       with:
         version: "v1.25.10"