Flake lock file updates: • Updated input 'nixpkgs': 'github:nixos/nixpkgs/c2a03962b8e24e669fb37b7df10e7c79531ff1a4' (2025-06-03) → 'github:nixos/nixpkgs/c87b95e25065c028d31a94f06a62927d18763fdf' (2025-07-19) • Updated input 'pyproject-nix': 'github:nix-community/pyproject.nix/af4c3ccf8cffcd49626b0455defb0f6b22cc1910' (2025-03-27) → 'github:nix-community/pyproject.nix/cac90713492f23be5f1072bae88406890b9c68f6' (2025-07-21)