[CI] Format code according to conventions (#12363)

* Format code according to conventions

* Update lib/python/qmk/cli/generate/api.py

* Update lib/python/qmk/cli/generate/api.py

Co-authored-by: QMK Bot <hello@qmk.fm>
Co-authored-by: Zach White <skullydazed@gmail.com>

lib/python/qmk/cli/generate/api.py

@@ -71,6 +71,6 @@ def generate_api(cli):
         'last_updated': current_datetime(),
         'keyboards': keyboard_list,
         'keyboard_aliases': keyboard_aliases,
-        'usb': usb_list
+        'usb': usb_list,
     }
     keyboard_metadata_file.write_text(json.dumps(keyboard_metadata, cls=InfoJSONEncoder))