[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.

robotpyExamples/generate_bazel_files.py

@@ -1,9 +1,9 @@
-
 import sys
 import tomli
 
+
 def load_project_names(toml_filename, project_type):
-    
+
     with open(toml_filename, "rb") as f:
         data = tomli.load(f)
 
@@ -14,6 +14,7 @@ def load_project_names(toml_filename, project_type):
 
     return contents
 
+
 def main():
     output_file = "robotpyExamples/example_projects.bzl"
 
@@ -22,7 +23,7 @@ def main():
 
     if len(sys.argv) == 2:
         output_file = sys.argv[1]
-        
+
     with open(output_file, "w") as f:
         f.write(contents)