ci.yml in hoe-markdown-1.7.0

- old
+ new

@@ -15,10 +15,10 @@
 jobs:
   build:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2", "head"]
+        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3", "3.4", "head"]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with: