Add Release Note (blurb): This release comes with the first early native [support of Windows/ARM64](https://github.com/git-for-windows/git/issues/3107), ready for testing. Please report any issues!

Add Release Note (blurb): This release comes with the first early native [support of Windows/ARM64](https://github.com/git-for-windows/git/issues/3107), ready for testing. Please report any issues! #155