Merge pull request #4580 from gottesmm/fix-update-checkout-for-master-next

Author: swift-ci

utils/update-checkout-config.json

@@ -63,8 +63,8 @@
                 "swift-corelibs-xctest": "master-next",
                 "swift-corelibs-foundation": "master-next",
                 "swift-corelibs-libdispatch": "master-next",
-                "swift-integration-tests": "master",
-                "swift-xcode-playground-support": "master"
+                "swift-integration-tests": "master-next",
+                "swift-xcode-playground-support": "master-next"
             }
         },
         "upstream": {