BridgeJS: Add `throws(JSException)` to imported methods #1562

Job	Run time
Build for native target (macos-15, Xcode_16)	48s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	3m 38s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	3m 38s
format	30s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	3m 38s
build-examples	12m 9s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	3m 24s
deploy-examples	0s
	27m 45s

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