upgrade travis

lightsprint09 · lightsprint09 · commit 3ad867a26015 · 2019-09-23T13:26:43.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -17,7 +17,7 @@ matrix:
       script:
         - swift test --verbose
     - os: osx
-      osx_image: xcode10.3
+      osx_image: xcode11
       env: "macOS"
       skip-cleanup: true
       before_install:
