fix: ci issue

Author: DominicGBauer

.github/workflows/build_and_test.yaml

@@ -11,4 +11,4 @@ jobs:
       - uses: actions/checkout@v4
       - name: Build and Test
         run: |
-          xcodebuild test -scheme PowerSyncSwift -destination "platform=iOS Simulator,name=iPhone 16"
+          xcodebuild test -scheme PowerSyncSwift -destination "platform=iOS Simulator,name=iPhone 15"