Merge pull request #19 from taketo1113/ci-ruby-4.0-win

CI: Add Ruby 4.0 to the Windows CI matrix

Author: janlelis

.github/workflows/test.yml

@@ -37,6 +37,7 @@ jobs:
     strategy:
       matrix:
         ruby:
+        - '4.0'
         - '3.4'
         - '3.3'
         - '3.2'