flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/9e7f26f82acb057498335362905fde6fea4ca50a?narHash=sha256-VnG0Eu394Ga2FCe8Q66m6OEQF8iAqjDYsjmtl%2BN2omk%3D' (2024-04-06)
  → 'github:nixos/nixpkgs/90338afd6177fc683a04d934199d693708c85a3b?narHash=sha256-%2B1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM%3D' (2024-06-21)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/e35aed5fda3cc79f88ed7f1795021e559582093a?narHash=sha256-4XLvuSIDZJGS17xEwSrNuJLL7UjDYKGJSbK1WWX2AK8%3D' (2024-04-02)
  → 'github:cachix/pre-commit-hooks.nix/8cd35b9496d21a6c55164d8547d9d5280162b07a?narHash=sha256-RTyqP4fBX2MdhNuMP%2BfnR3lIwbdtXhyj7w7fwtvgspc%3D' (2024-06-20)
• Removed input 'pre-commit-hooks/flake-utils'
• Removed input 'pre-commit-hooks/flake-utils/systems'
• Updated input 'pre-commit-hooks/nixpkgs-stable':
    'github:NixOS/nixpkgs/614b4613980a522ba49f0d194531beddbb7220d3?narHash=sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84%3D' (2024-03-17)
  → 'github:NixOS/nixpkgs/842253bf992c3a7157b67600c2857193f126563a?narHash=sha256-JHuXsrC9pr4kA4n7LuuPfWFJUVlDBVJ1TXDVpHEuUgM%3D' (2024-06-15)