Disable Ruby 3.1 for Rails 8+

Author: Exterm1nate

.github/workflows/main.yml

@@ -29,6 +29,11 @@ jobs:
       matrix:
         ruby: ["3.1", "3.2", "3.3", "3.4"]
         appraisal: ["rails_7.1", "rails_7.2", "rails_8.0", "rails_8.1"]
+        exclude:
+          - ruby: 3.1
+            appraisal: rails_8.0
+          - ruby: 3.1
+            appraisal: rails_8.1
     services:
       postgres:
         image: postgres:17