Update runner to use Xcode 15.1

Author: azarovalex

.github/workflows/build.yml

@@ -205,12 +205,16 @@ jobs:
           ctest --verbose --timeout 900
 
   macOS-latest-cmake-ios:
-    runs-on: macos-latest
+    runs-on: macos-13 # as of Jan 2024 macos-latest still points to macos-12
 
     steps:
       - name: Clone
         id: checkout
         uses: actions/checkout@v1
+      
+      - name: Select Xcode 15.1
+        id: select_xcode
+        run: sudo xcode-select -s /Applications/Xcode_15.1.app/Contents/Developer
 
       - name: Dependencies
         id: depends