fix(gitea-actions-runner): add nix to path

modules/nixos/gitea-actions-runner.nix

@@ -41,6 +41,17 @@ in {
           url = "https://git.deertopia.net/";
           tokenFile = token-file;
           labels = [ "nixos:host" ];
+	  hostPackages = with pkgs; [
+	    bash
+	    coreutils
+	    curl
+	    gawk
+	    gitMinimal
+	    gnused
+	    nodejs
+	    wget
+	    nix
+	  ];
         };
 
         # Disable dynamic user so runner state persists via bind mount