flake/dev/flake.lock: Update

Flake lock file updates:

• Updated input 'dev-nixpkgs':
    'github:NixOS/nixpkgs/92c2e04a475523e723c67ef872d8037379073681?narHash=sha256-yLuz5cz5Z%2Bsn8DRAfNkrd2Z1cV6DaYO9JMrEz4KZo/c%3D' (2025-07-21)
  → 'github:NixOS/nixpkgs/3ff0e34b1383648053bba8ed03f201d3466f90c9?narHash=sha256-CdX2Rtvp5I8HGu9swBmYuq%2BILwRxpXdJwlpg8jvN4tU%3D' (2025-07-24)
• Updated input 'home-manager':
    'github:nix-community/home-manager/fce051eaf881220843401df545a1444ab676520c?narHash=sha256-NCG6izg%2BB3zsCwcT6%2BssiWT3Y202jhOqGL/zh6fofa4%3D' (2025-07-22)
  → 'github:nix-community/home-manager/0b9bf983db4d064764084cd6748efb1ab8297d1e?narHash=sha256-E/rPVh7vyPMJUFl2NAew%2BzibNGfVbANr8BP8nLRbLkQ%3D' (2025-07-25)
• Updated input 'treefmt-nix':
    'github:numtide/treefmt-nix/421b56313c65a0815a52b424777f55acf0b56ddf?narHash=sha256-tzbhc4XttkyEhswByk5R38l%2BztN9UDbnj0cTcP6Hp9A%3D' (2025-07-20)
  → 'github:numtide/treefmt-nix/2673921c03d6e75fdf4aa93e025772608d1482cf?narHash=sha256-Bv9h1AJegLI8uAhiJ1sZ4XAndYxhgf38tMgCQwiEpmc%3D' (2025-07-25)

Author: nixvim-ci[bot]