CI: Try again

Author: olleolleolle

.github/workflows/reline.yml

@@ -112,7 +112,7 @@ jobs:
       - name: Run irb test
         working-directory: ./irb
         run: |
-          bundle install
+          bundle install && bundle add tsort
           bundle exec rake test
       - name: Run irb yamatanooroti test
         working-directory: ./irb