Update Nix flake.lock and hashes

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1765903799,
-        "narHash": "sha256-1wbl0y7U8TvSHxDWME7o92bIspfuhjVaTOs27r54uc4=",
+        "lastModified": 1765934234,
+        "narHash": "sha256-pJjWUzNnjbIAMIc5gRFUuKCDQ9S1cuh3b2hKgA7Mc4A=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e8d16d2186d6ed9f047eb30948e97e7e01886d10",
+        "rev": "af84f9d270d404c17699522fab95bbf928a2d92f",
         "type": "github"
       },
       "original": {