Flagged Out-of-Date Comment: mingw-w64-gtk3

MarsSeed flagged mingw-w64-gtk3 out-of-date on 2024-04-04 (UTC) for the following reason:

Should not depend on the obsolete 'mingw-w64-atk'. It should use 'mingw-w64-at-spi2-core' instead (which needs to be created).