flake.lock: Update

Flake lock file updates:

• Updated input 'nvim-config':
    'github:jalil-salame/nvim-config/5ab0c0b0535ad2e9074e115e2039c2dcce3fa858' (2024-01-25)
  → 'github:jalil-salame/nvim-config/c7524dc0a03db2730ff274b7b9f57f5d15c3567a' (2024-01-29)
• Updated input 'nvim-config/nixneovim':
    'github:NixNeovim/NixNeovim/3415084a406e95376f6f3d97fbc660d9925d88ee' (2024-01-22)
  → 'github:NixNeovim/NixNeovim/bbc50e1692b43ed6e05056c85668244d3a6d3e44' (2024-01-27)
• Updated input 'nvim-config/nixneovim/nixneovimplugins':
    'github:nixneovim/nixneovimplugins/b038f16a6908d10e53b7e1cb1e4975e8106e61b0' (2024-01-20)
  → 'github:nixneovim/nixneovimplugins/d00fa447f5df14b9b888b75672e48370da9224be' (2024-01-21)