CI now running ruby 2.7.0 so update to bunlder2

mlinksva · mlinksva · commit eb75003e9835 · 2020-01-20T11:41:46.000-08:00
avoid failure or needing to install bunlder1
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -260,4 +260,4 @@ DEPENDENCIES
   rake
 
 BUNDLED WITH
-   1.16.1
+   2.1.2

-Original file line number
+Diff line change
   rake
 BUNDLED WITH
 -   1.16.1
 +   2.1.2