.github/workflows/test.yml in memolog-0.4.2 vs .github/workflows/test.yml in memolog-0.4.4

@@ -22,10 +22,10 @@
   rspec:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        ruby: [2.7, 3.0]
+        ruby: [2.7, 3.0, 3.1]
 
     steps:
     - uses: actions/checkout@v2
     - uses: ruby/setup-ruby@v1
       with: