flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/1458349a1bd55105f917e962dca4b328ac0a55e8?narHash=sha256-P9VX/P2mN96MkFN8hwCYUQ%2BLV1bfH57UJ/pGwjd0Olc%3D' (2025-09-13)
  → 'github:nix-community/fenix/b0fa429fc946e6e716dff3bfb97ce6383eae9359?narHash=sha256-YmnUYXjacFHa8fWCo8gBAHpqlcG8%2BP5%2B5YYFhy6hOkg%3D' (2025-10-25)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/9edc9cbe5d8e832b5864e09854fa94861697d2fd?narHash=sha256-/PAhxheUq4WBrW5i/JHzcCqK5fGWwLKdH6/Lu1tyS18%3D' (2025-09-08)
  → 'github:rust-lang/rust-analyzer/51236f731456f305bac2b48682f8e1fa3032c989?narHash=sha256-KzRamhMnHTBEbYM0lZqozwc9BEYOTBMxVyAtDyiRq3s%3D' (2025-10-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/6d7ec06d6868ac6d94c371458fc2391ded9ff13d?narHash=sha256-fEvTiU4s9lWgW7mYEU/1QUPirgkn%2BodUBTaindgiziY%3D' (2025-09-13)
  → 'github:NixOS/nixpkgs/02f2cb8e0feb4596d20cc52fda73ccee960e3538?narHash=sha256-tH3wHnOJms%2BU4k/rK2Nn1RfBrhffX92jLP/2VndSn0w%3D' (2025-10-24)

Author: github-actions[bot]