flake.lock: Update

Flake lock file updates:

• Updated input 'hls':
    'github:haskell/haskell-language-server/9593d04a76e024942981b1333bfb2558a6ae0dab?narHash=sha256-ku8uTv5qnQCyDMhcoDFBATAxsnMRN0lDdh2Ee%2BIDn0k%3D' (2024-04-17)
  → 'github:haskell/haskell-language-server/8afc65a95b50d4960fa5d456750b979fb5229336?narHash=sha256-t6G387aOdVJTHhcTU0DDt1nYrMnKOrDqEnUix/Xhy5E%3D' (2024-04-26)
• Updated input 'nixpkgs23_11':
    'github:NixOS/nixpkgs/74574c38577914733b4f7a775dd77d24245081dd?narHash=sha256-q7APLfB6FmmSMI1Su5ihW9IwntBsk2hWNXh8XtSdSIk%3D' (2024-04-20)
  → 'github:NixOS/nixpkgs/dd403667d37b8822efa205c37fb1375e4c9805fa?narHash=sha256-5GQq2xHYcnLaVUulq69wCPQ2ljKJd0JgR3ZhXtKCZUI%3D' (2024-04-27)
• Updated input 'nixpkgsMaster':
    'github:NixOS/nixpkgs/754a00b38a44e774dba3518ced7efbf51a8970ba?narHash=sha256-5zVIy90Uc5LzE7rt4x7LLZZWoYVM5g40QQlAxqc7BDc%3D' (2024-04-20)
  → 'github:NixOS/nixpkgs/32a79f412e8665f3d0b17833f73914f9e9549a0d?narHash=sha256-wKRksT6ErdqMRSSQpBgQzSgThq5dTYjXOI5qgrdbrYY%3D' (2024-04-28)