Update flake.lock (#12285)

flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/b435bfccee71c6591dbce2fcfabe3e17e98c09fa?narHash=sha256-yH1K/WDJpwIIw7e3wKdRgwHAZ38LXgcGE2Ecvk3I6GU%3D' (2025-10-19)
  → '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/1e20331e42449dfc0b44bce84147a06772d045d7?narHash=sha256-WOt9KquZ1BXjMcVyHpMeliqNRL6BfRvBHFGfRDriDx4%3D' (2025-10-17)
  → 'github:rust-lang/rust-analyzer/51236f731456f305bac2b48682f8e1fa3032c989?narHash=sha256-KzRamhMnHTBEbYM0lZqozwc9BEYOTBMxVyAtDyiRq3s%3D' (2025-10-24)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/63bdb5d90fa2fa11c42f9716ad1e23565613b07c?narHash=sha256-c5C907Raf9eY8f1NUXYeju9aUDlm227s/V0OptEbypA%3D' (2025-10-19)
  → 'github:NixOS/nixpkgs/02f2cb8e0feb4596d20cc52fda73ccee960e3538?narHash=sha256-tH3wHnOJms%2BU4k/rK2Nn1RfBrhffX92jLP/2VndSn0w%3D' (2025-10-24)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]