Add Release Note (feature): Comes with the MSYS2 runtime (Git for Windows flavor) based on [Cygwin v3.5.5](https://inbox.sourceware.org/cygwin-announce/20241220181956.2204526-1-corinna-cygwin@cygwin.com).

Add Release Note (feature): Comes with the MSYS2 runtime (Git for Windows flavor) based on [Cygwin v3.5.5](https://inbox.sourceware.org/cygwin-announce/20241220181956.2204526-1-corinna-cygwin@cygwin.com). #159