Alacritty 0.16.0 introduces Unicode 17 support, new Vi motions, and config improvements

Alacritty 0.16.0 introduces Unicode 17 support, ensuring compatibility with the latest character sets and symbols. This update expands Vi mode capabilities with new motions and the Y keybind for yanking lines. System-wide configuration fallback and IPC-based config retrieval are now supported, while several notable bugs and crashes on macOS and other platforms have been resolved.