ci: prewrite kubeconfig

Author: pandatix

.github/workflows/integration.yaml

@@ -103,14 +103,21 @@ jobs:
           tag: ${{ github.sha }}
           pvc-access-mode: ReadWriteOnce
 
+      - name: Output kubeconfig on filesystem
+        run: |
+          mkdir -p /tmp/romeo
+          cat >/tmp/romeo/kubeconfig <<EOF
+          ${{ steps.install.outputs.kubeconfig }}
+          EOF
+
       - name: Run Integration Tests
         run: |
           go test -v ./environment/deploy/integration/ -run=^Test_I_ -coverprofile=integration.out -timeout=10m
         env:
           NAMESPACE: ${{ steps.install.outputs.namespace }}
           TAG: ${{ github.sha }}
           REGISTRY: localhost:5000
-          KUBECONFIG: ${{ steps.install.outputs.kubeconfig }}
+          KUBECONFIG: /tmp/romeo/kubeconfig
           CLAIM_NAME: ${{ steps.env.outputs.claim-name }}
           SERVER: ${{ steps.server.outputs.server }}