[SwiftRefactor] PackageManifest: Make a couple of properties external… #317

Job	Run time
Run tests using swift-syntax-dev-utils (Linux)	24m 25s
Validate generated code	3m 0s
Run tests using swift-syntax-dev-utils (Windows)	36m 27s
Test / Windows (6.1 - windows-2022)	15m 34s
Test / Windows (6.0 - windows-2022)	18m 26s
Test / Windows (nightly-6.2 - windows-2022)	18m 3s
Test / Windows (nightly - windows-2022)	16m 15s
Test / Linux (5.10 - jammy)	3m 54s
Test / Linux (6.1 - jammy)	4m 12s
Test / Linux (nightly-main - jammy)	4m 38s
Test / Linux (6.0 - jammy)	4m 7s
Test / Windows (5.9 - windows-2022)	6m 29s
Test / Linux (5.9 - jammy)	3m 58s
Test / Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Linux (nightly-6.2 - jammy)	5m 19s
Test / Static Linux Swift SDK Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Embedded Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Soundness / Documentation check	5m 7s
Test / macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})	0s
Soundness / License headers check	13s
Soundness / Broken symlinks check	5s
Soundness / Format check	53s
Soundness / Unacceptable language check	4s
Soundness / YAML lint check	5s
Soundness / Python lint check	8s
Soundness / Shell check	41s
Soundness / API breakage check	-1s
	2h 52m 2s

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