Updated flake inputs

modules/sys/sysenv/nix.nix

@@ -4,12 +4,18 @@
       lib.mkEnableOption "enables my nixos settings";
   };
   config = lib.mkIf config.movOpts.sysEnv.nixSettings.enable {
-    system.stateVersion = "25.05";
+    system.stateVersion = "24.05";
     nix = {
       settings = {
+        auto-optimise-store = true;
         experimental-features = [ "nix-command" "flakes" ];
         substituters = [ "https://nix-gaming.cachix.org" ];
       };
+      gc = {
+        automatic = true;
+        dates = "weekly";
+        options = "--delete-older-than 7d";
+      };
     };
     time.timeZone = "America/New_York";
     i18n.defaultLocale = "en_US.UTF-8";