Gets rid of allKnown static property of OS enum in favour for allCases from CaseIterable (#2657)
Gets rid of allKnown static property of OS enum in favour for allCases from CaseIterable (#2657)


apple/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager