Changes
- feat: add team.externalTeams.list by @WilliamBergamin in #1512
- chore: align README pattern by @WilliamBergamin in #1513
- chore(release): 3.30.0 by @WilliamBergamin in #1514
All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/99?closed=1
Full Changelog: v3.29.0...v3.30.0