Merge pull request #401 from swiftwasm/fix-packagetojs-wasm-opt-fallback #1589

Job	Run time
build-examples	12m 13s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 28s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	4m 35s
Build for native target (macos-15, Xcode_16.4)	36s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	4m 59s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	6m 4s
format	30s
deploy-examples	30s
	35m 55s

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