Use SwiftSyntax prebuilt action in CI #2724

Job	Run time
build-examples	11m 15s
Build and Test	0s
format	0s
prettier	0s
Test BridgeJS against Swift versions	-8s
check-bridgejs-generated	-9s
Build for native target	-10s
deploy-examples	-1s
	10m 47s

Provide feedback