flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/b2485d56967598da068b5a6946dadda8bfcbcd37' (2025-06-20)
  → 'github:NixOS/nixpkgs/4e7667a90c167f7a81d906e5a75cba4ad8bee620' (2025-08-26)

1 files changed, 3 insertions, 3 deletions

diff --git a/flake.lock b/flake.lock
index 240db72..41ae270 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1750400657,
-        "narHash": "sha256-3vkjFnxCOP6vm5Pm13wC/Zy6/VYgei/I/2DWgW4RFeA=",
+        "lastModified": 1756217674,
+        "narHash": "sha256-TH1SfSP523QI7kcPiNtMAEuwZR3Jdz0MCDXPs7TS8uo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b2485d56967598da068b5a6946dadda8bfcbcd37",
+        "rev": "4e7667a90c167f7a81d906e5a75cba4ad8bee620",
         "type": "github"
       },
       "original": {