Try building with Xcode 13.2.1 (clang 12)

Author: jurvis

.github/workflows/build-frameworks.yml

@@ -34,7 +34,7 @@ jobs:
           platform: OS X
           workspace: LDKFramework.xcworkspace
     env:
-      DEVELOPER_DIR: /Applications/Xcode_13.3.1.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_13.2.1.app/Contents/Developer
     steps:
     - name: Configure Xcode
       uses: maxim-lobanov/setup-xcode@v1