PostWe've just released v20.0a2.

We've just released v20.0a2. Thank you to everyone who contributed to this release. If you want to upgrade from v20.0a1 to v20.0a2, please upgrade with pip install -U --pre python-telegram-bot. Before upgrading from v13.x to v20.0a2, please carefully read the v20.0a0 release notes. This update brings full support for Bot API 6.1 along with some minor, non-breaking changes. Note that a backport of API 6.1 to v13.x will be released before the end of this week. For the full list of changes and improvements, please see below. Major Changes • Full Support for API 6.1 (#3112) New Features • Add Additional Shortcut Methods to Chat (#3115 by aditya-yadav-27) • Mermaid-based Example State Diagrams (#3090 by cyc8) Minor Changes, Documentation Improvements and CI • Documentation Improvements (#3103, #3121 by ExalFabu, #3098 by david-shiko) • Stabilize CI (#3119) • Bump pyupgrade from 2.32.1 to 2.34.0 (#3096) • Bump furo from 2022.6.4 to 2022.6.4.1 (#3095) • Bump mypy from 0.960 to 0.961 (#3093)