add Ruby 8 and jruby Rails 7.2 to CI

Author: jrochkind

.github/workflows/ci.yml

@@ -21,11 +21,14 @@ jobs:
             gemfile: rails_71
           - ruby-version: 3.2.7
             gemfile: rails_72
+          - ruby-version: jruby-9.4.11.0
+            gemfile: rails_72
           - ruby-version: 3.3.7
             gemfile: rails_80
 
 
 
+
     env:
       RAILS_ENV: test
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile