Update project and installation methods (CocoaPods and Swift Package Manager) for Xcode 15 #300

Job	Run time
Analyze	38s
Analyze	38s
Analyze	38s
Carthage	6s
Carthage	6s
Carthage	6s
CocoaPods	1m 7s
CocoaPods	1m 7s
CocoaPods	1m 5s
Test (iOS Simulator,name=iPhone 15)	5m 23s
Test (iOS Simulator,name=iPhone 15)	5m 29s
Test (iOS Simulator,name=iPhone 15)	5m 29s
swift-package-manager	49s
swift-package-manager	49s
swift-package-manager	49s
Build iOS example project	39s
Build iOS example project	39s
Build iOS example project	39s
	26m 16s

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