Use latest version of Gitea

flake.nix

@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "nixpkgs/nixos-22.11";
+    nixpkgs-unstable.url = "nixpkgs/nixos-unstable";
     agenix = {
       url = "github:ryantm/agenix";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -14,13 +15,15 @@
     };
   };
 
-  outputs = { self, nixpkgs, agenix, nixos-hardware, nix-matrix-appservices, ...
-    }@inputs:
+  outputs = { self, nixpkgs, nixpkgs-unstable, agenix, nixos-hardware
+    , nix-matrix-appservices, ... }@inputs:
     let
       system = "aarch64-linux";
 
       pkgs = import pkgs { inherit system; };
 
+      pkgs-unstable = import inputs.nixpkgs-unstable { inherit system; };
+
       lib = nixpkgs.lib;
 
     in {
@@ -32,7 +35,10 @@
           nixos-hardware.nixosModules.raspberry-pi-4
           nix-matrix-appservices.nixosModule
         ];
-        specialArgs = { inherit inputs; };
+        specialArgs = {
+          inherit inputs;
+          inherit pkgs-unstable;
+        };
       };
 
     };