Updated macOS AIO bundles

Version 5.1.5-2 - updated macOS AIO bundles are now available.

Make sure to backup before you upgrade.

The macOS AIO bundles have been updated to contain the latest release of Gtk3 that fixes selection and window focus problems on macOS13 Ventura.

There are two bundles, one for Intel x86_64 and another for Arm aarch64 (Apple Silicon M1/M2).

They can also be downloaded from SourceForge.