update supported Ruby versions (#29)

Author: corybuecker

.github/workflows/main.yml

@@ -13,10 +13,9 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - 3.0.6
-          - 3.1.4
-          - 3.2.3
-          - 3.3.0
+          - 3.1.5
+          - 3.2.4
+          - 3.3.1
     steps:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1