Update Nix flake.lock and hashes

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1766025857,
-        "narHash": "sha256-Lav5jJazCW4mdg1iHcROpuXqmM94BWJvabLFWaJVJp0=",
+        "lastModified": 1766125104,
+        "narHash": "sha256-l/YGrEpLromL4viUo5GmFH3K5M1j0Mb9O+LiaeCPWEM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "def3da69945bbe338c373fddad5a1bb49cf199ce",
+        "rev": "7d853e518814cca2a657b72eeba67ae20ebf7059",
         "type": "github"
       },
       "original": {