try macos 15 and xcode 16

Author: mcginty

.github/workflows/mobile-deploy-ios.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [macos-26]
+        os: [macos-15]
 
     steps:
       - name: 'Print OS'
@@ -36,7 +36,7 @@ jobs:
       - name: Setup XCode
         uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: '26.3'
+          xcode-version: '16.2.0'
 
       - name: Setup environment
         uses: ./.github/actions/setup-env