Update Nix flake.lock and hashes

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1765934234,
-        "narHash": "sha256-pJjWUzNnjbIAMIc5gRFUuKCDQ9S1cuh3b2hKgA7Mc4A=",
+        "lastModified": 1766025857,
+        "narHash": "sha256-Lav5jJazCW4mdg1iHcROpuXqmM94BWJvabLFWaJVJp0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "af84f9d270d404c17699522fab95bbf928a2d92f",
+        "rev": "def3da69945bbe338c373fddad5a1bb49cf199ce",
         "type": "github"
       },
       "original": {

nix/hashes.json

@@ -1,3 +1,3 @@
 {
-  "nodeModules": "sha256-g6XHWk9IoDoeXbvENs+U2fqk185xKMLb0BRopCbXaIk="
+  "nodeModules": "sha256-U56rAkhKAhZKDEec05Mxj359wjpT03od26tosCjrj9A="
 }