build(nix): update dependencies

• Updated input 'fenix':
    'github:nix-community/fenix/854e661' (2025-11-28)
  → 'github:nix-community/fenix/2e31077' (2025-11-30)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/5ae3b07' (2025-11-24)
  → 'github:nixos/nixpkgs/2fad6ea' (2025-11-27)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/a2a4a95' (2025-11-27)
  → 'github:rust-lang/rust-analyzer/66c11a2' (2025-11-29)
• Updated input 'nixify':
    'github:rvolosatovs/nixify/b9817dd' (2025-11-26)
  → 'github:rvolosatovs/nixify/24614f0' (2025-11-29)
• Updated input 'nixify/advisory-db':
    'github:rustsec/advisory-db/f5fdfe7' (2025-11-25)
  → 'github:rustsec/advisory-db/0071343' (2025-11-28)
• Updated input 'nixify/nixpkgs-darwin':
    'github:nixos/nixpkgs/48ac51d' (2025-11-24)
  → 'github:nixos/nixpkgs/9a7b80b' (2025-11-28)
• Updated input 'nixify/nixpkgs-nixos':
    'github:nixos/nixpkgs/1c8ba8d' (2025-11-24)
  → 'github:nixos/nixpkgs/9a7b80b' (2025-11-28)
• Updated input 'nixify/rust-overlay':
    'github:oxalica/rust-overlay/ab3536f' (2025-11-25)
  → 'github:oxalica/rust-overlay/9623580' (2025-11-28)
• Updated input 'nixlib':
    'github:nix-community/nixpkgs.lib/11186dd' (2025-11-23)
  → 'github:nix-community/nixpkgs.lib/e953753' (2025-11-30)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/0d59e02' (2025-11-27)
  → 'github:NixOS/nixpkgs/4c7d90a' (2025-11-30)

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Author: github-actions[bot]