.github/workflows/test.yml in itamae-1.12.4 vs .github/workflows/test.yml in itamae-1.12.5

@@ -25,9 +25,10 @@
           - "2.4"
           - "2.5"
           - "2.6"
           - "2.7"
           - "3.0"
+          - "3.1"
         rubyopt:
           - ""
           - "--jit"
         exclude:
           # --jit is available since MRI 2.6