Apple: mods are now MH_BUNDLE (.so) linked with -bundle_loader,
replacing the deprecated (on iOS) -undefined dynamic_lookup.
Windows: clang-cl mods link dusklight.exe directly; lld's mingw driver
synthesizes imports from the export table. cl still requires the
import library.
* ci: Try arm64 Linux/Windows builds
* Update aurora
* Explicitly set CMAKE_SYSTEM_PROCESSOR on Windows
* Update build-appimage.sh for aarch64
* Set Rust_RUSTUP_INSTALL_MISSING_TARGET=ON
* Use CMAKE_SYSTEM_PROCESSOR normalization for jpeg-turbo build too
* MSVC ARM64 support for freeverb
Luke Street