Fixing travis .netcoreapp version to 2.2

renemadsen · renemadsen · commit d5af42303b1a · 2018-12-20T10:33:14.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,7 +10,7 @@ addons:
 sudo: required
 language: csharp
 mono: none
-dotnet: 2.1
+dotnet: 2.2
 bundler_args: --retry 5
 before_install:
   - google-chrome-stable --headless --disable-gpu
