support vector cube comparison in openeo.testing.results

[soxofaan]

openeo-python-client/openeo/testing/results.py

Line 450 in bfcd173

_log.warning(f"Unhandled job result asset {filename!r}")

support vector cubes here as well

e.g. from https://github.com/ESA-APEx/apex_algorithms/actions/runs/21517683654/job/62000109521:

WARNING  openeo.testing.results:results.py:450 Unhandled job result asset 'vectorcube.geojson'