Squashed 'apollo-ios-codegen/' changes from f3f8a662..a0bb4ed8

a0bb4ed8 Release 1.13.0 (#399)

git-subtree-dir: apollo-ios-codegen
git-subtree-split: a0bb4ed83a79f5006640ee46d0cdc0f4c61c65fa

Sources/CodegenCLI/Constants.swift

@@ -1,6 +1,6 @@
 import Foundation
 
 public enum Constants {
-  public static let CLIVersion: String = "1.12.2"
+  public static let CLIVersion: String = "1.13.0"
   static let defaultFilePath: String = "./apollo-codegen-config.json"
 }