[GitHub] Try to use the new mac intel runners

Author: RobDangerous

.github/workflows/macos.yml

@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   build-x64:
-    runs-on: macOS-13
+    runs-on: macOS-15-intel
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v5
@@ -30,12 +30,11 @@ jobs:
         echo "SCCACHE_REGION=auto"                                        >> $GITHUB_ENV
 
     - name: Select Xcode
-      run: sudo xcode-select -s /Applications/Xcode_15.2.app/Contents/Developer
+      run: sudo xcode-select -s /Applications/Xcode_16.2.app/Contents/Developer
 
     - name: Brew
       run: |
-        brew install sccache llvm@20
-        echo "$(brew --prefix llvm@20)/bin"                           >> $GITHUB_PATH
+        brew install sccache
 
     - name: Build
       env: