Wireshark looks for the latest app version, and then proceeds to ignore it and simply download Wireshark%20Latest%20Intel%2064.dmg or Wireshark%20Latest%20Arm%2064.dmg - depending on your architecture. Unfortunately, the "Latest" points to the development build.

This seems to be related to #1195

See:
https://github.com/Installomator/Installomator/blob/a8ca9a7cce0775253d009678ea8ff2e3b5803820/Installomator.sh#L7212C7-L7212C62