chore(nix): Update dependencies.

Flake lock file updates:

• Updated input 'haskell-nix':
    'github:input-output-hk/haskell.nix/140825afb68fddce0df5873ffcc214a3f40e2524' (2023-10-07)
  → 'github:input-output-hk/haskell.nix/f6b8caefb9805ca8ddd154cfb1c0cf11391b561f' (2023-10-21)
• Removed input 'haskell-nix/ghc980'
• Added input 'haskell-nix/ghc98X':
    'git+https://gitlab.haskell.org/ghc/ghc?ref=ghc-9.8&rev=443e870d977b1ab6fc05f47a9a17bc49296adbd6' (2023-10-07)
• Updated input 'haskell-nix/ghc99':
    'git+https://gitlab.haskell.org/ghc/ghc?ref=refs/heads/master&rev=b8e4fe2318798185228fb5f8214ba2384ac95b4f' (2023-09-23)
  → 'git+https://gitlab.haskell.org/ghc/ghc?ref=refs/heads/master&rev=f383a242c76f90bcca8a4d7ee001dcb49c172a9a' (2023-10-11)
• Updated input 'haskell-nix/hackage':
    'github:input-output-hk/hackage.nix/aa653b3c276f617aa0f61095ecbc16860c98480a' (2023-10-07)
  → 'github:input-output-hk/hackage.nix/3eea6865bd2cb350ca4007edc2013e36e3b3dcaf' (2023-10-21)
• Added input 'haskell-nix/hls-2.4':
    'github:haskell/haskell-language-server/362fdd1293efb4b82410b676ab1273479f6d17ee' (2023-10-10)
• Updated input 'haskell-nix/stackage':
    'github:input-output-hk/stackage.nix/844c3b4c520cb4ead6113f6ba25dc2ad33e21273' (2023-10-05)
  → 'github:input-output-hk/stackage.nix/ea5171c0f85ba57e4fa7a8589bbb2703788c0948' (2023-10-21)
• Updated input 'pre-commit-hooks-nix':
    'github:cachix/pre-commit-hooks.nix/66c352d33e0907239e4a69416334f64af2c685cc' (2023-10-05)
  → 'github:cachix/pre-commit-hooks.nix/8cc349bfd082da8782b989cad2158c9ad5bd70fd' (2023-10-19)