InTag 1.6.0.0

FEATURE: Add automatic elevation upon install\uninstall (montoner0)
FEATURE: Close form on enter if input is empty (montoner0)
FEATURE: Throw exception if registering the extension fails (montoner0)
FEATURE: Sort tags (montoner0)
FEATURE: Other fixes and cleanup (montoner0)
FEATURE: Migrate to newer .NET Core 6
FEATURE: Migrate to single-file publishing (again montoner0's suggestion)