Requires python-socketio >= 5.12.0 and python-engineio >= 4.11.0,
both bumped in preceding commits.
Also fix test.sh to use importlib.metadata for version check
since flask_socketio no longer exposes __version__ directly.
Link: https://github.com/miguelgrinberg/Flask-SocketIO/blob/main/CHANGES.md
Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>