Convert directory fbcode/opensource to use the Ruff Formatter

[tpolasek]

Summary: X-link: https://github.com/facebook/folly/pull/2318

X-link: https://github.com/facebook/fboss/pull/277

X-link: https://github.com/facebook/fb303/pull/59

Converts the directory specified to use the Ruff formatter in pyfmt

ruff_dog

If this diff causes merge conflicts when rebasing, please run hg status -n -0 --change . -I '**/*.{py,pyi}' | xargs -0 arc pyfmt on your diff, and amend any changes before rebasing onto latest. That should help reduce or eliminate any merge conflicts.

allow-large-files

Reviewed By: amyreese

Differential Revision: D64265365

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D64265365