Flake lock file updates: • Updated input 'nixpkgs': 'github:NixOS/nixpkgs/f13ff45afd1bb73e640eaa08a7066dbed07e3238?narHash=sha256-zDSUbpoeo/9ZmD2%2BwXnzxoo1%2BuhL8vxc0b8yuYMKYq0%3D' (2026-08-07) → 'github:NixOS/nixpkgs/279b4a8275f032c566576b3f181fa0f27197f588?narHash=sha256-8S3Kcxs7D4UtxJxSJZz0m14CGhuW0MxfrIwJxeGWGnQ%3D' (2026-08-09) • Updated input 'rust-overlay': 'github:oxalica/rust-overlay/2cb7cad89f0326df860ca399e209352ba6a19ef9?narHash=sha256-g63bW8kYMVhJSncbPuqc1ugbd5ZL3YU3ieEVeaBq/0k%3D' (2026-08-10) → 'github:oxalica/rust-overlay/3a646bd5daa3af78a78a1cb32329cb72d18fcae0?narHash=sha256-PU4CY4GUCDFOoS67dGrc/fS6Y%2Bd1cYZSh6nbgYqAAwE%3D' (2026-08-11)