[stubsabot] Bump Flask-SocketIO to 5.4.* (#12712)

Release: https://pypi.org/pypi/Flask-SocketIO/5.4.0
Homepage: https://github.com/miguelgrinberg/flask-socketio
Repository: https://github.com/miguelgrinberg/flask-socketio
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/Flask-SocketIO
Diff: miguelgrinberg/Flask-SocketIO@v5.3.7...v5.4.0

Stubsabot analysis of the diff between the two releases:
 - Total lines of Python code added: 40.
 - Total lines of Python code deleted: 11.

If stubtest fails for this PR:
- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

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Co-authored-by: stubsabot <>

stubs/Flask-SocketIO/METADATA.toml

@@ -1,3 +1,3 @@
-version = "5.3.*"
+version = "5.4.*"
 requires = ["Flask>=0.9"]
 upstream_repository = "https://github.com/miguelgrinberg/flask-socketio"