Add Release Note (bug): A few documentation and other, minor bug fixes from upstream Git [were integrated into Git for Windows early](https://github.com/git-for-windows/git/pull/5221).

Add Release Note (bug): A few documentation and other, minor bug fixes from upstream Git [were integrated into Git for Windows early](https://github.com/git-for-windows/git/pull/5221). #149