Update .travis.yml

Author: phimage

.travis.yml

@@ -8,7 +8,7 @@ env:
     - IOS_FRAMEWORK_SCHEME="CallbackURLKit"
     - MACOS_FRAMEWORK_SCHEME="CallbackURLKitOSX"
     - IOS_SDK=iphonesimulator12.0
-    - MACOS_SDK=macosx10.13
+    - MACOS_SDK=macosx10.14
   matrix:
     - DESTINATION="OS=12.0,name=iPhone 8" SCHEME="$IOS_FRAMEWORK_SCHEME" SDK="$IOS_SDK" RUN_TESTS="NO"
     - DESTINATION="arch=x86_64" SCHEME="$MACOS_FRAMEWORK_SCHEME" SDK=macosx10.13 RUN_TESTS="NO"