remove image file

Author: whhe

.github/workflows/test-oblogproxy-ce.yml

@@ -73,6 +73,7 @@ jobs:
         run: |
           docker load -i /tmp/test-oblogproxy-ce_oceanbase-ce/oceanbase-ce.tar
           docker load -i /tmp/test-oblogproxy-ce_oblogproxy-ce/oblogproxy-ce.tar
+          rm -rf /tmp/*
 
       - name: Start oceanbase-ce container
         uses: oceanbase/setup-oceanbase-ce@v1