enable using JavaScriptKit with packages that have macros that use SwiftSyntax 601 #1659

Job	Run time
format	33s
check-bridgejs-generated	5m 52s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	5m 33s
Build for native target (macos-15, Xcode_16.4)	48s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 38s
build-examples	11m 29s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 46s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	4m 51s
deploy-examples	0s
	42m 30s

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