build(nix): update dependencies

• Updated input 'fenix':
    'github:nix-community/fenix/ea1d693' (2025-12-04)
  → 'github:nix-community/fenix/e8361cc' (2025-12-06)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/633cff2' (2025-12-03)
  → 'github:rust-lang/rust-analyzer/2cbf358' (2025-12-05)
• Updated input 'nixify':
    'github:rvolosatovs/nixify/70469eb' (2025-12-02)
  → 'github:rvolosatovs/nixify/bd8e1d4' (2025-12-05)
• Updated input 'nixify/advisory-db':
    'github:rustsec/advisory-db/6c3549a' (2025-12-01)
  → 'github:rustsec/advisory-db/f414b4d' (2025-12-04)
• Updated input 'nixify/crane':
    'github:ipetkov/crane/d9e7531' (2025-11-23)
  → 'github:ipetkov/crane/e09877b' (2025-12-03)
• Updated input 'nixify/nixpkgs-darwin':
    'github:nixos/nixpkgs/6c8f0cc' (2025-12-01)
  → 'github:nixos/nixpkgs/db8ef22' (2025-12-03)
• Updated input 'nixify/rust-overlay':
    'github:oxalica/rust-overlay/9331687' (2025-12-01)
  → 'github:oxalica/rust-overlay/74d9abb' (2025-12-04)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/821f1a2' (2025-12-04)
  → 'github:NixOS/nixpkgs/a672be6' (2025-12-05)

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Author: github-actions[bot]