Upgrade the project to use Xcode 15.4 (#3027)

* Update snapshots for Xcode 15.4

* Update CI.

* Fix crashing UI test.

* Fix compile error in Integration Tests.

* Try putting UI tests on GH runners again.

fastlane/Fastfile

@@ -7,7 +7,7 @@ if File.exist?(enterprise)
 end
 
 before_all do
-  xcversion(version: "15.2")
+  xcversion(version: "15.4")
 
   ENV["FASTLANE_XCODEBUILD_SETTINGS_TIMEOUT"] = "180"
   ENV["FASTLANE_XCODE_LIST_TIMEOUT"] = "180"
@@ -91,7 +91,8 @@ lane :unit_tests do |options|
   if !options[:skip_previews]
     run_tests(
       scheme: "PreviewTests",
-      device: 'iPhone 15',
+      device: 'iPhone SE (3rd generation)',
+      ensure_devices_found: true,
       result_bundle: true,
       number_of_retries: 3,
       xcargs: '-skipPackagePluginValidation',
@@ -106,15 +107,15 @@ lane :ui_tests do |options|
   reset_simulator_contents()
   
   create_simulator_if_necessary(
-    name: "iPhone 15 (17.2)",
+    name: "iPhone 15",
     type: "com.apple.CoreSimulator.SimDeviceType.iPhone-15",
-    runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-2"
+    runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-5"
   )
   
   create_simulator_if_necessary(
     name: "iPad (10th generation)",
     type: "com.apple.CoreSimulator.SimDeviceType.iPad-10th-generation",
-    runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-2"
+    runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-5"
   )
 
   if options[:test_name]
@@ -141,7 +142,7 @@ lane :integration_tests do
   create_simulator_if_necessary(
     name: "iPhone 15 Pro",
     type: "com.apple.CoreSimulator.SimDeviceType.iPhone-15-Pro",
-    runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-2"
+    runtime: "com.apple.CoreSimulator.SimRuntime.iOS-17-5"
   )
 
   run_tests(