Increase required Graphiti package version

Author: alexsteinerde

Package.resolved

@@ -13,7 +13,7 @@ let package = Package(
             targets: ["GraphQLKit"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/GraphQLSwift/Graphiti.git", from: "0.22.0"),
+        .package(url: "https://github.com/GraphQLSwift/Graphiti.git", from: "0.24.0"),
         .package(url: "https://github.com/vapor/vapor.git", from: "4.0.0"),
         .package(url: "https://github.com/vapor/fluent.git", from: "4.0.0"),
     ],