pkgctl wants to add non-existent .install files in split package setup

When trying to release kubernetes, I ran pkgctl release. Unfortunately it seems, that pkgctl is expecting an .install file for kube-apiserver, but there is none and it is also not declared in the PKGBUILD - only kubeadm and kubelet have .install files.

==> Releasing kubernetes to extra
kubernetes-1.24.0-static_cgo_enabled.patch
10-kubeadm-kubelet.conf
50-kubelet-sysctl.conf
kubelet-modules.conf
kubelet.env
kubelet.service
kubernetes-sysusers.conf
kubernetes-tmpfiles.conf
kube-apiserver.env
kube-apiserver.service
kube-controller-manager.env
kube-controller-manager.service
kube-proxy.env
kube-proxy.service
kube-scheduler.env
kube-scheduler.service
error: pathspec 'kube-apiserver.install' did not match any file(s) known to git
Did you forget to 'git add'?
==> ERROR: kube-apiserver.install is not under version control