Ignore new property wrappers with @ObservableState. (#3666) #6321

Job	Run time
Library (evolution)	4m 9s
xcodebuild (16) (test, MACOS, 16.2)	3m 24s
xcodebuild (16) (MACOS, 16.2)	1m 24s
xcodebuild (16) (test, IOS, 16.2)	10m 14s
Check Macro Compatibility	3m 3s
xcodebuild (16) (IOS, 16.2)	6m 26s
xcodebuild (15) (IOS, 15.2)	5m 59s
xcodebuild (15) (test, MACOS, 15.4)	2m 38s
xcodebuild (15) (test, WATCHOS, 15.4)	10m 8s
xcodebuild (15) (test, TVOS, 15.4)	5m 37s
xcodebuild (15) (MACOS, 15.2)	6m 43s
Examples	17m 22s
xcodebuild (15) (test, IOS, 15.4)	17m 21s
xcodebuild (15) (test, MAC_CATALYST, 15.4)	6m 35s
	1h 41m 3s

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