fix action and readme

Signed-off-by: stoneshi-yunify <[email protected]>

Author: stoneshi-yunify

.github/actions/build/action.yml

@@ -55,6 +55,7 @@ runs:
           type=ref,event=branch,suffix=${{ inputs.tag-suffix }}
           type=ref,event=pr,suffix=${{ inputs.tag-suffix }}
           type=semver,pattern={{version}},prefix=v,suffix=${{ inputs.tag-suffix }}
+          type=raw,value=latest
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v3
     - name: Set up Docker Buildx

README.md

@@ -10,7 +10,7 @@ The definition method of podTemplate is:
 
 ```bash
 podTemplate(containers: [
-    containerTemplate(name: 'base', image: 'kubesphere/builder-base:v2.1.0', ttyEnabled: true, command: 'cat')
+    containerTemplate(name: 'base', image: 'kubesphere/builder-base:latest', ttyEnabled: true, command: 'cat')
 ])
 ```