deps/gha: bump azure/setup-kubectl from 3.2 to 4

Bumps [azure/setup-kubectl](https://github.com/azure/setup-kubectl) from 3.2 to 4.
- [Release notes](https://github.com/azure/setup-kubectl/releases)
- [Changelog](https://github.com/Azure/setup-kubectl/blob/main/CHANGELOG.md)
- [Commits](901a10e89e...3e0aec4d80)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/staging-create-infra.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Install terraform
         uses: hashicorp/setup-terraform@a1502cd9e758c50496cc9ac5308c4843bcd56d36 # v3.0.0
       - name: Install kubectl
-        uses: azure/setup-kubectl@901a10e89ea615cf61f57ac05cecdf23e7de06d8 # v3.2
+        uses: azure/setup-kubectl@3e0aec4d80787158d308d7b364cb1b702e7feb7f # v4.0.0
         if: inputs.TYPE == 'k8s'
         with:
           version: "v1.28.6"

.github/workflows/staging-delete-infra.yml

@@ -34,7 +34,7 @@ jobs:
           tar xf /tmp/terraform.tar -C / && mkdir ~/.ssh && touch ~/.ssh/id_rsa.pub
         env:
           SECRET_KEY: ${{ secrets.SECRET_KEY }}
-      - uses: azure/setup-kubectl@901a10e89ea615cf61f57ac05cecdf23e7de06d8 # v3.2
+      - uses: azure/setup-kubectl@3e0aec4d80787158d308d7b364cb1b702e7feb7f # v4.0.0
         if: inputs.TYPE == 'k8s'
         with:
           version: "v1.28.2"

.github/workflows/staging-tests.yml

@@ -66,7 +66,7 @@ jobs:
           REG_USER: ${{ github.actor }}
           REG_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         if: inputs.TYPE == 'k8s'
-      - uses: azure/setup-kubectl@901a10e89ea615cf61f57ac05cecdf23e7de06d8 # v3.2
+      - uses: azure/setup-kubectl@3e0aec4d80787158d308d7b364cb1b702e7feb7f # v4.0.0
         if: inputs.TYPE == 'k8s'
         with:
           version: "v1.28.2"