[robotpy] Run black on robotpy files (#9017)

This piggy-backs off #8362. `wpiformat` will handle all the non-python
files (C++ trailing spaces in yaml files, etc), and the robotpy files
(guarded by being under src/main/python or src/test/python) will be
handled by black only.

wpimath/src/test/python/test_anti_tipping.py

@@ -48,4 +48,3 @@ def test_left_roll_drives_left():
 
     assert correction.vx == pytest.approx(0.0, abs=1e-6)
     assert correction.vy > 0.0
-