Update PostprocessBundle.cmake to include /opt/homebrew/lib (#1425)

* Update PostprocessBundle.cmake to include /opt/homebrew/lib

Homebrew on macOS arm64 lives in /opt/homebrew per default. Without this, libsharpyuv cannot be found during bundeling.

cmake/modules/PostprocessBundle.cmake

@@ -36,7 +36,7 @@ file(GLOB_RECURSE extra_libs "${BUNDLE_PATH}/Contents/MacOS/*.dylib")
 # makes it sometimes break on libraries that do weird things with @rpath. Specify
 # equivalent search directories until https://gitlab.kitware.com/cmake/cmake/issues/16625
 # is fixed and in our minimum CMake version.
-set(extra_dirs "/usr/local/lib" "/lib" "/usr/lib")
+set(extra_dirs "/opt/homebrew/lib" "/usr/local/lib" "/lib" "/usr/lib")
 
 # BundleUtilities is overly verbose, so disable most of its messages
 function(message)
@@ -47,4 +47,4 @@ endfunction()
 
 include(BundleUtilities)
 set(BU_CHMOD_BUNDLE_ITEMS ON)
-fixup_bundle("${BUNDLE_PATH}" "${extra_libs}" "${extra_dirs}")
+fixup_bundle("${BUNDLE_PATH}" "${extra_libs}" "${extra_dirs}")