Build for macOS 11.1

Author: MarcusTomlinson

.github/workflows/prebuild.yml

@@ -19,7 +19,7 @@ jobs:
     - if: matrix.os == 'macos-11'
       name: Configure Xcode (MacOS)
       run: |
-        sudo xcode-select -s /Applications/Xcode_11.7.app/Contents/Developer
+        sudo xcode-select -s /Applications/Xcode_12.4.app/Contents/Developer
 
     - name: Install Meson and Ninja
       run: |