Update .rancher-pipeline.yml file

.rancher-pipeline.yml

@@ -2,7 +2,7 @@ stages:
 - name: compile
   steps:
   - runScriptConfig:
-      image: python:latest
+      image: registry.cn-hangzhou.aliyuncs.com/acs/maven:3
       shellScript: mvn clean package
 - name: push
   steps: