update docker.yml tag

Author: QAbot-zh

.github/workflows/docker.yml

@@ -47,6 +47,7 @@ jobs:
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=sha,prefix=
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
 
       - name: Build and push
         uses: docker/build-push-action@v6