BRD-20938 add Ruby version number for testing

Author: jamesh-gomo

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          # ruby-version is not needed with a .ruby-version
+          ruby-version: 3.3
           bundler-cache: true
 
       - name: Install dependencies