Fix documentation GitHub workflow (#3601)

We need to bump macOS and Xcode versions.

Author: stephencelis

.github/workflows/documentation.yml

@@ -17,10 +17,10 @@ concurrency:
 
 jobs:
   build:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
-      - name: Select Xcode 16.0
-        run: sudo xcode-select -s /Applications/Xcode_16.0.app
+      - name: Select Xcode 16.2
+        run: sudo xcode-select -s /Applications/Xcode_16.2.app
 
       - name: Checkout Package
         uses: actions/checkout@v4