Add maintainer engineering_productivity to roulette

lib/gitlab/danger/teammate.rb

@@ -94,6 +94,7 @@ def has_capability?(project, category, kind, labels)
         when :engineering_productivity
           return false unless role[/Engineering Productivity/]
           return true if kind == :reviewer
+          return true if capabilities(project).include?("#{kind} engineering_productivity")
           capabilities(project).include?("#{kind} backend")
         else

spec/lib/gitlab/danger/teammate_spec.rb

@@ -121,6 +121,14 @@
           end
         end
+        context 'when capabilities include maintainer engineering productivity' do
+          let(:capabilities) { ['maintainer engineering_productivity'] }
+
+          it '#maintainer? returns true' do
+            expect(subject.maintainer?(project, :engineering_productivity, labels)).to be_truthy
+          end
+        end
+
         context 'when capabilities include trainee_maintainer backend' do
           let(:capabilities) { ['trainee_maintainer backend'] }