Use VS2019 image on AppVeyor

thomaslevesque · thomaslevesque · commit d53ecf9e8aac · 2019-10-12T14:00:36.000+02:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -4,7 +4,7 @@ branches:
     - master
 pull_requests:
   do_not_increment_build_number: true
-image: Visual Studio 2017
+image: Visual Studio 2019
 nuget:
   disable_publish_on_pr: true
 build_script:
