BridgeJS: Swift closure support #1783

Job	Run time
Build for native target (macos-15, Xcode_16.4)	33s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	5m 22s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	6m 24s
format	38s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	5m 5s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 3s
build-examples	13m 1s
check-bridgejs-generated	5m 46s
deploy-examples	-1s
	42m 51s

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