Fix: Ensure `BridgeJS.Macros.swift` is processed by `SwiftToSkeleton` #2039

Job	Run time
format	41s
build-examples	42m 59s
Build for native target (macos-15, Xcode_16.4)	3m 5s
check-bridgejs-generated	3m 24s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	13m 35s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	17m 24s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	12m 25s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	13m 41s
deploy-examples	0s
	1h 47m 14s

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