ci: consider action/keep-integration-stage flag

Author: saitho

.github/workflows/test.yml

@@ -101,21 +101,21 @@ jobs:
           rolename: '${{ env.ROLE_NAME }}'
       - name: Remove DNS record
         uses: saitho/delete-dns-record@saitho-patch-1
-        if: always()
+        if: always() && !contains( github.event.pull_request.labels.*.name, 'action/keep-integration-stage')
         with:
           name: "${{ env.DOMAIN_NAME }}.${{ env.DOMAIN_SUFFIX }}"
           token: "${{ secrets.CLOUDFLARE_TOKEN }}"
           zone: "${{ secrets.CLOUDFLARE_ZONE }}"
       - name: Remove DNS record for subdomain
         uses: saitho/delete-dns-record@saitho-patch-1
-        if: always()
+        if: always() && !contains( github.event.pull_request.labels.*.name, 'action/keep-integration-stage')
         with:
           name: "sub.${{ env.DOMAIN_NAME }}.${{ env.DOMAIN_SUFFIX }}"
           token: "${{ secrets.CLOUDFLARE_TOKEN }}"
           zone: "${{ secrets.CLOUDFLARE_ZONE }}"
       - name: Remove Hetzner server
         uses: saitho/hetzner-cloud-action@v1.1.0
-        if: always()
+        if: always() && !contains( github.event.pull_request.labels.*.name, 'action/keep-integration-stage')
         with:
           action: remove
           server_id: "${{ steps.setup_server.outputs.hcloud_server_id }}"