Update xcode settings

SwiftMetaModelGenerator.xcodeproj/project.pbxproj

@@ -141,7 +141,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1250;
-				LastUpgradeCheck = 1250;
+				LastUpgradeCheck = 1300;
 				TargetAttributes = {
 					F6752A492683522200CC9A19 = {
 						CreatedOnToolsVersion = 12.5;

SwiftMetaModelGenerator.xcodeproj/xcshareddata/xcschemes/SwiftMetaModelGenerator.xcscheme

 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1250"
+   LastUpgradeVersion = "1300"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"