Merge pull request #563 from zendesk/ruby_33

Add tests on Ruby 3.3

Author: fbvilela

.github/workflows/main.yml

@@ -19,6 +19,7 @@ jobs:
           - "3.0"
           - "3.1"
           - "3.2"
+          - "3.3"
           - "jruby-9.4"
     steps:
       - name: Checkout code