Don't check for 100% coverage on 3.1

It turns out that this condition:

  SyntaxError.instance_methods.include?(:detailed_message)

is false under ruby-3.1, so we don't have 100% coverage there. Ah well!

Author: nevinera

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ env:
   RSPEC_CI: true
   # This tells rspec-rails what branch to run in ci
   RSPEC_VERSION: '= 3.14.0.pre'
-  ENFORCE_COVERAGE_AFTER: "3.1"
+  ENFORCE_COVERAGE_AFTER: "3.2"
 jobs:
   rubocop:
     name: Rubocop