upgrading forgejo to v8

nixos/hosts/varda/default.nix

@@ -1,4 +1,4 @@
-{ ... }: {
+{ pkgs, ... }: {
   imports = [ ];
 
   networking.hostId = "cdab8473";
@@ -28,7 +28,10 @@
     system.motd.networkInterfaces = [ "enp1s0" ];
     security.acme.enable = true;
     services = {
-      forgejo.enable = true;
+      forgejo = {
+        enable = true;
+        package = pkgs.unstable.forgejo;
+      };
       nginx.enable = true;
     };
   };

nixos/modules/nixos/services/forgejo/default.nix

@@ -9,6 +9,10 @@ in
 {
   options.mySystem.services.forgejo = {
     enable = mkEnableOption "Forgejo";
+    package = mkOption {
+      type = types.package;
+      default = pkgs.forgejo;
+    };
   };
 
   config = mkIf cfg.enable {
@@ -25,6 +29,7 @@ in
 
     services.forgejo = {
       enable = true;
+      package = cfg.package;
       # enable sql db dumps daily
       dump.enable = true;
       database.type = "postgres";