BridgeJS: Support throwing any error conforming to ConvertibleToJSException #2463

Job	Run time
check-bridgejs-generated	2m 42s
prettier	12s
Build and Test (ubuntu-24.04, https://download.swift.org/development/ubuntu2404/swift-DEVELOPMENT...	13m 24s
Build for native target (macos-15, Xcode_16.4)	2m 55s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	13m 41s
format	41s
Test BridgeJS against Swift versions (swift:6.1.2, 601.0.0)	3m 0s
Build and Test (ubuntu-24.04, https://download.swift.org/swift-6.3-branch/ubuntu2404/swift-6.3-DE...	13m 28s
Test BridgeJS against Swift versions (swift:6.2, 602.0.0)	3m 6s
build-examples	20m 5s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	16m 24s
deploy-examples	-1s
	1h 29m 37s

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