Can't install with brew install appveyor-server

[codykonior]

Step 1:

% brew tap appveyor/brew       
==> Tapping appveyor/brew
Cloning into '/opt/homebrew/Library/Taps/appveyor/homebrew-brew'...
remote: Enumerating objects: 268, done.
remote: Counting objects: 100% (112/112), done.
remote: Compressing objects: 100% (82/82), done.
remote: Total 268 (delta 38), reused 104 (delta 30), pack-reused 156 (from 1)
Receiving objects: 100% (268/268), 44.15 KiB | 172.00 KiB/s, done.
Resolving deltas: 100% (90/90), done.
Tapped 3 formulae (15 files, 64.4KB).

Step 2:

% brew install appveyor-server
Error: appveyor/brew/appveyor-server: undefined method `plist_options' for class Formulary::FormulaNamespacea4f0cd4f4949400c335e5df3c202e0739a88a85be1ccb6ed556747d959937cb5::AppveyorServer

MacOS Sequoia 15.3.1 on Apple M2 Max.
Homebrew 4.4.23-84-ga2d0aae