v3.10.1

Changes

• #1106 Fix WebClient#files_upload does not send channels since v3.10.0 - Thanks @seratch

---

• All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/44?closed=1
• All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.10.0...v3.10.1