[iOS] Async animations support #1104

Job	Run time
Build Package (13.2.1)	5m 3s
Build Package (13.2.1)	5m 3s
Build Package (13.4.1)	4m 38s
Build Package (13.4.1)	4m 38s
Build XCFramework	13m 42s
Build XCFramework	13m 42s
Build Example App	7m 15s
Build Example App	7m 15s
Build Package (14.2)	6m 53s
Build Package (14.2)	6m 53s
Build Package (14.3)	5m 26s
Build Package (14.3)	5m 26s
Test Carthage support	11m 47s
Test Carthage support	11m 47s
Lint CocoaPods podspec	4m 29s
Lint CocoaPods podspec	4m 29s
Lint Embedded Libraries	45s
Lint Embedded Libraries	45s
Test Swift Package Manager support	3m 31s
Test Swift Package Manager support	3m 31s
Lint Swift	1m 36s
Lint Swift	1m 36s
Test Package	40s
Test Package	24m 3s
	2h 34m 53s

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