chore: try macos-15

Author: MichaelVerdon

.github/workflows/e2e.yml

@@ -87,7 +87,7 @@ jobs:
           script: flutter test integration_test/firebase_ui_test.dart --dart-define=CI=true -d emulator-5554
 
   ios:
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
@@ -185,7 +185,7 @@ jobs:
           flutter test ./integration_test/firebase_ui_test.dart -d "$SIMULATOR" --dart-define=CI=true
 
   macos:
-    runs-on: macos-14
+    runs-on: macos-15
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332

tests/.gitignore

@@ -5,9 +5,11 @@
 *.swp
 .DS_Store
 .atom/
+.build/
 .buildlog/
 .history
 .svn/
+.swiftpm/
 migrate_working_dir/
 
 # IntelliJ related