[CI] Bump macos version on PRs (#707)

Author: testableapple

.github/workflows/smoke-checks.yml

@@ -26,7 +26,7 @@ env:
 jobs:
   build-test-app-and-frameworks:
     name: Build Test App and Frameworks
-    runs-on: macos-14
+    runs-on: macos-15
     if: ${{ github.event_name != 'push' }}
     steps:
     - uses: actions/[email protected]
@@ -35,8 +35,6 @@ jobs:
     - name: Build
       run: bundle exec fastlane build_test_app_and_frameworks
       timeout-minutes: 60
-      env:
-        XCODE_VERSION: "15.2" # Should match the minimum version in dependent jobs
     - uses: actions/upload-artifact@v4
       if: success()
       with: