deps: Resolve conflicting python updates (#15703)

Signed-off-by: Ryan Northey <ryan@synca.io>

Mirrored from https://github.com/envoyproxy/envoy @ fcdaf20519216082db374dfad92e5b4771cc37fd

tools/generate_listeners.py

@@ -10,6 +10,7 @@ import sys
 # in sys.path first.
 from pkgutil import extend_path
 import google
+
 google.__path__ = extend_path(google.__path__, google.__name__)
 
 from google.protobuf import json_format