flake: update inputs

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11)
  → 'github:numtide/flake-utils/11707dc2f618dd54ca8739b309ec4fc024de578b' (2024-11-13)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/0aeab749216e4c073cece5d34bc01b79e717c3e0' (2024-07-02)
  → 'github:NixOS/nixpkgs/4989a246d7a390a859852baddb1013f825435cee' (2024-12-17)

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1734126203,
-        "narHash": "sha256-0XovF7BYP50rTD2v4r55tR5MuBLet7q4xIz6Rgh3BBU=",
+        "lastModified": 1734435836,
+        "narHash": "sha256-kMBQ5PRiFLagltK0sH+08aiNt3zGERC2297iB6vrvlU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "71a6392e367b08525ee710a93af2e80083b5b3e2",
+        "rev": "4989a246d7a390a859852baddb1013f825435cee",
         "type": "github"
       },
       "original": {