Bump swift-parsing to newest version (#5)

Author: oskarek

Package.resolved

@@ -17,7 +17,7 @@ let package = Package(
     ),
   ],
   dependencies: [
-    .package(url: "https://github.com/pointfreeco/swift-parsing", from: "0.12.0"),
+    .package(url: "https://github.com/pointfreeco/swift-parsing", from: "0.13.0"),
     .package(url: "https://github.com/google/swift-benchmark", from: "0.1.2"),
   ],
   targets: [