Flake lock file updates:

• Updated input 'fish':
'github:fish-shell/fish-shell/1f6cd5fc2d090c3666207d014cf337519716b73a' (2025-09-30)
→ 'github:fish-shell/fish-shell/3fa252677a26d429f3259a4af4ab3cfe2472ca8d' (2025-10-07)
• Updated input 'gleam-nix/rust-manifest':
'https://static.rust-lang.org/dist/channel-rust-1.85.0.toml?narHash=sha256-irgHsBXecwlFSdmP9MfGP06Cbpca2QALJdbN4cymcko%3D'
→ 'https://static.rust-lang.org/dist/channel-rust-1.88.0.toml?narHash=sha256-YZfjbpqCYQFG1qLl2zMyFq2nFwmB2aFo5DSOCaBtGLY%3D'