Rails 8 need ruby 3.2

Author: smathy

.github/workflows/ruby.yml

@@ -20,9 +20,14 @@ jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         rails-version: [ '7.0', '7.1', '7.2', '8.0' ]
         ruby-version: ['3.1', '3.2', '3.3']
+        exclude:
+          - rails-version: '8.0'
+            ruby-version: '3.1'
+
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/rails_${{ matrix.rails-version }}.gemfile