nixos/gitlab: move custom_hooks_dir into gitaly config (#107174)

nixos/modules/services/misc/gitlab.nix

@@ -44,6 +44,9 @@ let
     [gitlab-shell]
     dir = "${cfg.packages.gitlab-shell}"
 
+    [hooks]
+    custom_hooks_dir = "${cfg.statePath}/custom_hooks"
+
     [gitlab]
     secret_file = "${cfg.statePath}/gitlab_shell_secret"
     url = "http+unix://${pathUrlQuote gitlabSocket}"
@@ -65,7 +68,6 @@ let
     repos_path = "${cfg.statePath}/repositories";
     secret_file = "${cfg.statePath}/gitlab_shell_secret";
     log_file = "${cfg.statePath}/log/gitlab-shell.log";
-    custom_hooks_dir = "${cfg.statePath}/custom_hooks";
     redis = {
       bin = "${pkgs.redis}/bin/redis-cli";
       host = "127.0.0.1";