v3.25.0

Changes

• #1430 Fix #1427 Add apps.manifest.* & tooling.tokens.rotate API support - Thanks @seratch
• #1431 Fix #1428 Add rich_text classes to slack_sdk.models module - Thanks @seratch @tj-smith47

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• All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/87?closed=1
• All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.24.0...v3.25.0