chore(deps): update dependency setuptools to v63.4.3 (#1394)

Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: renovate-bot

packages/gapic-generator/requirements.txt

@@ -7,7 +7,7 @@ protobuf==3.20.1
 pypandoc==1.8.1
 PyYAML==6.0
 dataclasses==0.6  # TODO(busunkim) remove when 3.6 support is dropped
-setuptools==63.4.2
+setuptools==63.4.3
 grpc-google-iam-v1==0.12.4
 proto-plus==1.22.0
 pytest-asyncio==0.19.0