Add Release Note (bug): When calling Microsoft Store apps, their standard I/O is now [set up correctly](https://github.com/git-for-windows/msys2-runtime/pull/122) (meaning: You can call an interactive Python interpreter without the winpty hack mentioned in the release notes' Known Issues).

Add Release Note (bug): When calling Microsoft Store apps, their standard I/O is now [set up correctly](https://github.com/git-for-windows/msys2-runtime/pull/122) (meaning: You can call an interactive Python interpreter without the winpty hack mentioned in the release notes' Known Issues). #222