Update to swift-crypto 2.0.3 (#3943)
Update to swift-crypto 2.0.3 (#3943)

Tested BoringSSL changes with `swift:5.5-focal` docker image.
abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,abertelrud/swift-package-manager,apple/swift-package-manager,apple/swift-package-manager