Replace use of method_exchangeImplementations (#1583) #109

Job	Run time
Unit Test iOS (platform=iOS Simulator,name=iPhone 13 Pro)	7m 32s
Unit Test iOS (platform=iOS Simulator,name=iPhone 13 Pro)	5m 28s
Verify Carthage build XCFramework	4m 25s
Verify Carthage build XCFramework	4m 13s
Verify Carthage build lipo binaries	3m 24s
Verify Carthage build lipo binaries	3m 7s
Unit Test macOS	1m 55s
Unit Test macOS	1m 42s
Cocoapods Lint	3m 28s
Cocoapods Lint	4m 47s
Run Danger	0s
Run Danger	0s
Build Examples and UI tests. (platform=iOS Simulator,name=iPhone 13 Pro, platform=tvOS Simulator,...	1h 50m 30s
Build Examples and UI tests. (platform=iOS Simulator,name=iPhone 13 Pro, platform=tvOS Simulator,...	4h 27m 29s
Verify SPM build by invoking `xcodebuild` on Package.swift (IGListDiffKit)	40s
Verify SPM build by invoking `xcodebuild` on Package.swift (IGListDiffKit)	40s
Verify SPM build by invoking `xcodebuild` on Package.swift (IGListKit)	41s
Verify SPM build by invoking `xcodebuild` on Package.swift (IGListKit)	1m 4s
Verify generate_spm_sources_layout.sh is not broken	53s
Verify generate_spm_sources_layout.sh is not broken	1m 2s
Verify SPM build by invoking `xcodebuild` on Package.swift (IGListSwiftKit)	52s
Verify SPM build by invoking `xcodebuild` on Package.swift (IGListSwiftKit)	1m 5s
	7h 4m 57s

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