Update to Nix 2.26.2

Flake lock file updates:

• Updated input 'nix':
    'https://api.flakehub.com/f/pinned/NixOS/nix/2.26.1/019498e7-9120-780b-8c84-bcb5d4f73583/source.tar.gz?narHash=sha256-1T7WRNfUMsiiNB77BuHElzjavguL8oJx%2BwBtfMcobq8%3D' (2025-01-24)
  → 'https://api.flakehub.com/f/pinned/NixOS/nix/2.26.2/0194fbd7-e2ec-7193-93a9-05ae757e79a1/source.tar.gz?narHash=sha256-EOnBPe%2BydQ0/P5ZyWnFekvpyUxMcmh2rnP9yNFi/EqU%3D' (2025-02-12)

Author: edolstra

flake.lock

@@ -1,7 +1,7 @@
 {
   description = "Determinate Nix";
   inputs = {
-    nix.url = "https://flakehub.com/f/NixOS/nix/=2.26.1";
+    nix.url = "https://flakehub.com/f/NixOS/nix/=2.26.2";
     nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/*";
   };