fix: kubectl 安装前先删旧目录避免 mv 覆盖目录报错

.gitea/workflows/deploy.yaml

@@ -88,7 +88,7 @@ jobs:
               curl -LO "https://files.m.daocloud.io/dl.k8s.io/release/v1.28.0/bin/linux/amd64/kubectl" && break
               echo "Download attempt $attempt failed, retrying in 5s..." && sleep 5
             done
-            chmod +x kubectl && mv kubectl /usr/local/bin/
+            chmod +x kubectl && rm -rf /usr/local/bin/kubectl && mv kubectl /usr/local/bin/
           fi
           kubectl version --client