feat: update flake.lock

Flake lock file updates:

• Updated input 'angular-language-server':
    'github:csvenke/angular-language-server-flake/fb03391e2c350af7385cc29219757b728cfe6b14?narHash=sha256-sYrn3th6K7cQY4gR2EPjPwSxFMo2DcvGfKsnkjOhxS8%3D' (2024-09-13)
  → 'github:csvenke/angular-language-server-flake/18f9900821cb5e475bb8f321c23284dd9e7a182d?narHash=sha256-Kz5dwhvXYi2Dz0dRz7HrlVyHbIpipVcdkIFciMmzVsc%3D' (2024-09-14)
• Updated input 'neovim':
    'github:csvenke/neovim-flake/cf87d5f01099bd8826175d6b9db45ecb4aaa43f0?narHash=sha256-d64y9llGZaPEgd4XLn%2Bf2rryL%2ByY4KHkaCrJKLshANc%3D' (2024-09-12)
  → 'github:csvenke/neovim-flake/3ff801487bff2b65b0fc05116bade66db62decb6?narHash=sha256-FcENH0kyuNIzlEBZ15TxMW6Evp%2B2R0dnYz4NklNPcOI%3D' (2024-09-14)
• Updated input 'neovim/nixpkgs':
    'github:NixOS/nixpkgs/1355a0cbfeac61d785b7183c0caaec1f97361b43?narHash=sha256-4b3A9zPpxAxLnkF9MawJNHDtOOl6ruL0r6Og1TEDGCE%3D' (2024-09-10)
  → 'github:NixOS/nixpkgs/4f807e8940284ad7925ebd0a0993d2a1791acb2f?narHash=sha256-IiA3jfbR7K/B5%2B9byVi9BZGWTD4VSbWe8VLpp9B/iYk%3D' (2024-09-11)