Hopefully fix linking issues on macOS

Author: DataTriny

bindings/c/.cargo/config.toml

@@ -0,0 +1,9 @@
+[target.aarch64-apple-darwin]
+rustflags = [
+  "-C", "link-arg=-Wl,-install_name,@rpath/libaccesskit.dylib",
+]
+
+[target.x86_64-apple-darwin]
+rustflags = [
+  "-C", "link-arg=-Wl,-install_name,@rpath/libaccesskit.dylib",
+]

bindings/c/accesskit-config.cmake

@@ -19,6 +19,7 @@ endif()
 add_library(accesskit-shared SHARED IMPORTED GLOBAL)
 if (_accesskit_os STREQUAL "macos")
     target_link_directories(accesskit-shared INTERFACE "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib")
+    target_link_libraries(accesskit-shared "-framework CoreFoundation")
 elseif (_accesskit_os STREQUAL "windows")
     find_library(_accesskit_implib accesskit "${ACCESSKIT_LIBRARIES_DIR}/shared")
     set_property(