update to the latest snapshot package version (#85)

Author: bolsinga

Package.swift

@@ -30,7 +30,7 @@ let package = Package(
         .package(url: "https://github.com/swiftlang/swift-syntax.git", "509.0.0" ..< "601.0.0"),
         // Testing
         .package(url: "https://github.com/Kolos65/Mockable.git", from: "0.3.1"),
-        .package(url: "https://github.com/pointfreeco/swift-snapshot-testing", from: "1.17.7"),
+        .package(url: "https://github.com/pointfreeco/swift-snapshot-testing", from: "1.18.3"),
         // Macro Testing
         .package(url: "https://github.com/pointfreeco/swift-macro-testing", .upToNextMinor(from: "0.6.0")),
     ],