Print available Xcodes

Author: arik-so

.github/workflows/build-xcframework-sequential.yml

@@ -31,8 +31,9 @@ jobs:
                     xcode-version: latest
             -   name: Print Xcode SDK availability
                 shell: bash
-                run:
+                run: |
                     xcodebuild -showsdks
+                    ls /Applications/
             -   name: Checkout
                 uses: actions/checkout@v3
             -   name: Install Dependencies