Update workers.conf

docs/zh_CN/workers.conf

@@ -486,7 +486,7 @@ name = "pypi"
 provider = "command"
 upstream = "https://pypi.python.org/"
 command = "/home/scripts/pypi.sh"
-docker_image = "tunathu/tunasync-scripts:latest"
+docker_image = "tunathu/bandersnatch:latest"
 interval = 5
 
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