Avoid CI error with Rails 6 and activerecord-jdbcsqlite3 old version

Author: benoittgt

Gemfile-rails-dependencies

@@ -33,5 +33,10 @@ else
   if version >= '5-1-stable' && RUBY_VERSION  >= "2.3"
     gem "puma"
   end
-  gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
+
+  if version >= '6'
+    gem "activerecord-jdbcsqlite3-adapter", "~> 60.0.rc1", platforms: [:jruby]
+  else
+    gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
+  end
 end