chore: fix workflow

.gitea/workflows/on_book.yaml

@@ -9,7 +9,7 @@ jobs:
         os: ubuntu-latest # [ubuntu-latest, macos-latest, windows-latest]
 
     name: Cargo install on ubuntu-latest
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest/rust
     env:
       CARGO_TERM_COLOR: always
       KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
@@ -30,6 +30,7 @@ jobs:
           apt-get update
           apt-get install ca-certificates 
           update-ca-certificates
+          while true; do sleep 20; done
           curl -L "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/$OS/$ARCH/kubectl" -o /usr/local/bin/kubectl
           [ -r "/usr/local/bin/kubectl" ] && chmod +x /usr/local/bin/kubectl
           echo "${{ secrets.KUBE_CONFIG }}" | base64 -d > $KUBECONFIG