flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/aa9d4729cbc99dabacb50e3994dcefb3ea0f7447' (2023-12-14)
  → 'github:NixOS/nixpkgs/d6863cbcbbb80e71cecfc03356db1cda38919523' (2023-12-21)
• Updated input 'php-src-nix':
    'github:loophp/php-src-nix/b91ed8c2088e1d74907a127d87d79d825ce290de' (2023-12-17)
  → 'github:loophp/php-src-nix/377b82906a1e3055704b1a37382d356608b36ea4' (2023-12-24)
• Updated input 'php-src-nix/nixpkgs':
    'github:NixOS/nixpkgs/a9bf124c46ef298113270b1f84a164865987a91c' (2023-12-11)
  → 'github:NixOS/nixpkgs/6df37dc6a77654682fe9f071c62b4242b5342e04' (2023-12-22)
• Updated input 'php-src-nix/php-src-82':
    'github:php/php-src/40ccc8ea7e0b69d4580588a459a78a73b1209d08' (2023-12-15)
  → 'github:php/php-src/d98a45d08c2b1de7f9c9f6a3ab25886018a206df' (2023-12-23)
• Updated input 'php-src-nix/php-src-83':
    'github:php/php-src/1b8be9acf07e9a6d94aa72b5dce09ba8afab69a9' (2023-12-15)
  → 'github:php/php-src/0c8e45e71fd6f416ce2bd9b57007f9944c4bf908' (2023-12-23)
• Updated input 'php-src-nix/php-src-master':
    'github:php/php-src/d8268f1aba7190583e9ec24361c913559a4a347a' (2023-12-16)
  → 'github:php/php-src/f1f33ee3a1d742311cc4d445d36cfa77de53aad4' (2023-12-24)