Support stable 6.1 in swift-syntax (#220)

Author: shimastripe

Package.swift

@@ -23,7 +23,7 @@ let package = Package(
  ),
  ],
  dependencies: [
- .package(url: "https://github.com/swiftlang/swift-syntax", "509.0.0"..<"601.0.0"),
+ .package(url: "https://github.com/swiftlang/swift-syntax", "509.0.0"..<"602.0.0"),
  .package(url: "https://github.com/pointfreeco/xctest-dynamic-overlay", from: "1.2.2"),
  ],
  targets: [

Package@swift-6.0.swift

@@ -23,7 +23,7 @@ let package = Package(
  ),
  ],
  dependencies: [
- .package(url: "https://github.com/swiftlang/swift-syntax", "509.0.0"..<"601.0.0"),
+ .package(url: "https://github.com/swiftlang/swift-syntax", "509.0.0"..<"602.0.0"),
  .package(url: "https://github.com/pointfreeco/xctest-dynamic-overlay", from: "1.2.2"),
  ],
  targets: [