Changelog updated.
Version changed to 2.47.4.
Installer fixes
"dpiAware" disabled. Closes #2134
Merge branch 'release/2.47'

Conflicts:
	CommonAssemblyInfo.cs
	GitExtSshAskPass/SshAskPass.rc2
	GitExtensionsShellEx/GitExtensionsShellEx.rc
	Setup/MakeInstallers.cmd
	Setup/MakeMonoArchive.cmd