flake.lock: Update

Flake lock file updates:

• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/e891a93b193fcaf2fc8012d890dc7f0befe86ec2?narHash=sha256-RF7j6C1TmSTK9tYWO6CdEMtg6XZaUKcvZwOCD2SICZs%3D' (2025-08-23)
  → 'github:cachix/pre-commit-hooks.nix/cfc9f7bb163ad8542029d303e599c0f7eee09835?narHash=sha256-PTod9NG%2Bi3XbbnBKMl/e5uHDBYpwIWivQ3gOWSEuIEM%3D' (2025-10-03)
• Updated input 'pre-commit-hooks/nixpkgs':
    'github:NixOS/nixpkgs/cab778239e705082fe97bb4990e0d24c50924c04?narHash=sha256-lgmUyVQL9tSnvvIvBp7x1euhkkCho7n3TMzgjdvgPoU%3D' (2025-08-04)
  → 'github:NixOS/nixpkgs/647e5c14cbd5067f44ac86b74f014962df460840?narHash=sha256-JVZl8NaVRYb0%2B381nl7LvPE%2BA774/dRpif01FKLrYFQ%3D' (2025-09-28)
• Updated input 'ros2nix':
    'github:wentasah/ros2nix/a804dadbd47c947e086eef39d6db5421a2c679cb?narHash=sha256-6IOtgicHkKkB7D0/jJTfJ0u/Yy/WajKu3LGt9Edc8ZA%3D' (2025-08-17)
  → 'github:wentasah/ros2nix/248e888001103adc0c7d940f9e115c74af464543?narHash=sha256-KhIc5vWpVWNBhacSJXFqQNuS5FrAmjygiGWyu8XxARM%3D' (2025-10-02)
• Updated input 'ros2nix/nixpkgs':
    'github:NixOS/nixpkgs/5c724ed1388e53cc231ed98330a60eb2f7be4be3?narHash=sha256-xVNy/XopSfIG9c46nRmPaKfH1Gn/56vQ8%2B%2BxWA8itO4%3D' (2025-07-04)
  → 'github:NixOS/nixpkgs/e643668fd71b949c53f8626614b21ff71a07379d?narHash=sha256-NY3kSorgqE5LMm1LqNwGne3ZLMF2/ILgLpFr1fS4X3o%3D' (2025-09-24)
• Updated input 'ros2nix/rosdistro':
    'github:ros/rosdistro/73551e628753c3b2d3c203746cd591ed419fd188?narHash=sha256-kPvMwiE1YEuu0wiktieebx%2BdVj3ONtYJ6rx5kP5teXg%3D' (2025-08-17)
  → 'github:ros/rosdistro/bade1eea9af6a5f0f409743f90ce648fac38034c?narHash=sha256-Kks0e8DGK50o32kUxko29ZbX5zDBB3U1UlL0Z81VeMk%3D' (2025-10-01)

Author: github-actions[bot]