flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/3b9e1bd994c34b020ed7898b805a104511294d63' (2023-10-01)
  → 'path:/nix/store/idj2jaaarjlvpiq2kxdlw937yr0j086l-source?lastModified=1707238373&narHash=sha256-WKxT0yLzWbFZwYi92lI0yWJpYtRaFSWHGX8QXzejapw%3D&rev=fb0c047e30b69696acc42e669d02452ca1b55755' (2024-02-06)

1 files changed, 0 insertions, 2 deletions

diff --git a/flake.nix b/flake.nix
index 6de292b..26ff130 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,4 @@
 {
-  inputs.nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
-
   outputs = { self, nixpkgs }:
     let
       system = "x86_64-linux";