Update to swift-crypto 2.0.3 (#3943)

Tested BoringSSL changes with `swift:5.5-focal` docker image.

Author: yim-lee

Package.swift

@@ -54,7 +54,7 @@ automatic linking type with `-auto` suffix appended to product's name.
 let autoProducts = [swiftPMProduct, swiftPMDataModelProduct]
 
 let useSwiftCryptoV2 = ProcessInfo.processInfo.environment["SWIFTPM_USE_SWIFT_CRYPTO_V2"] != nil
-let minimumCryptoVersion: Version = useSwiftCryptoV2 ? "2.0.2" : "1.1.4"
+let minimumCryptoVersion: Version = useSwiftCryptoV2 ? "2.0.3" : "1.1.4"
 var swiftSettings: [SwiftSetting] = []
 if useSwiftCryptoV2 {
     swiftSettings.append(.define("CRYPTO_v2"))