Adjusting gitea runner config

.gitea/workflows/k8s-smoke-test.yml

@@ -13,6 +13,15 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
+      - name: Write kubeconfig from secret
+        env:
+          KUBECONFIG_CONTENT: ${{ secrets.KUBECONFIG }}
+        run: |
+          mkdir -p /tmp/kube
+          printf '%s\n' "$KUBECONFIG_CONTENT" > /tmp/kube/config
+
       - name: Test kubectl connectivity
+        env:
+          KUBECONFIG: /tmp/kube/config
         run: |
           kubectl get nodes --kubeconfig "${KUBECONFIG}"