update macos CI to use Xcode_15.1

Author: MarcusTomlinson

.github/workflows/build_and_test.yml

@@ -29,7 +29,7 @@ jobs:
     - if: matrix.os == 'macos-14'
       name: Configure Xcode (MacOS)
       run: |
-        sudo xcode-select -s /Applications/Xcode_14.1.app/Contents/Developer
+        sudo xcode-select -s /Applications/Xcode_15.1.app/Contents/Developer
 
     - name: Configure Python
       uses: actions/setup-python@v4