v3.19.2

Changes

• #1282 Add request_file_info arg to files_upload_v2 method - Thanks @seratch @eddyg
• #1278 Improve clarity of 'content' error message for files_upload_v2 - Thanks @eddyg
• #1283 Improve typing when using 'get' on an API response - Thanks @eddyg
• #1284 Add Python 3.11 support - Thanks @seratch
• #1281 Fix selected_option type hint - Thanks @taekop

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• All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/71?closed=1
• All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.19.1...v3.19.2