Add Ruby 2.7 to Appveyor matrix

pirj · pirj · commit 0490c6dab794 · 2020-01-24T01:19:59.000+03:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -37,3 +37,4 @@ environment:
     - ruby_version: 24-x64
     - ruby_version: 25-x64
     - ruby_version: 26-x64
+    - ruby_version: 27-x64
