Use constant for binary name to avoid oopsies

gitea-act-runner.spec

@@ -2,6 +2,7 @@
 A runner for Gitea based on act.}
 
 %global rootless_docker_user docker-rootless
+%global act_runner_bin act_runner
 %global debug_package %{nil}
 
 %global golicenses      LICENSE
@@ -49,17 +50,17 @@ Run gitea actions in non-root docker containers
 %systemd_user_post %{rootless_docker_user}.service %{name}.service
 loginctl enable-linger %{rootless_docker_user}
 cd ~%{rootless_docker_user}/act_runner
-act_runner register
-act_runner generate-config > config
+%{act_runner_bin} register
+%{act_runner_bin} generate-config > config
 
 %preun %{rootless_docker_user}
-%systemd_user_preun %{rootless_docker_user}.service act_runner.service
+%systemd_user_preun %{rootless_docker_user}.service %{name}.service
 
 %prep
 %setup -q -n act_runner
 
 %build
-go build %{gobuild_baseflags} -o bin/act_runner %{goipath}
+go build %{gobuild_baseflags} -o bin/%{act_runner_bin} %{goipath}
 
 %install
 install -m 0755 -vd %{buildroot}%{_bindir}