add python3.11 UDF runtime to /udf_runtimes

[JeroenVerstraelen]

Make sure that the new python3.11 UDF runtime is visible with the correct dependencies under:
https://openeo.dataspace.copernicus.eu/openeo/1.2/udf_runtimes

Related code:

openeo-python-driver/openeo_driver/backend.py

Line 802 in f906509

f"{major}.{minor}.{patch}"