Add Release Note (bug): Due to a bug introduced in the v2.47 cycle, [the installer showed an empty "experimental options" page](https://github.com/git-for-windows/git/issues/5231), which was [fixed](https://github.com/git-for-windows/build-extra/pull/578).

Add Release Note (bug): Due to a bug introduced in the v2.47 cycle, [the installer showed an empty "experimental options" page](https://github.com/git-for-windows/git/issues/5231), which was [fixed](https://github.com/git-for-windows/build-extra/pull/578). #150