Add Ruby 3.1 to the CI matrix (#1812)

* Enclose all the version numbers in quotes
2022-03-23 23:30:49 +09:00
parent ecc317886a
commit 3f0b61081b
1 changed files with 1 additions and 1 deletions
@@ -30,7 +30,7 @@ jobs:
    runs-on: ubuntu-latest
    strategy:
      matrix:
-        ruby: [2.6, 2.7, 3.0]
+        ruby: ['2.6', '2.7', '3.0', '3.1']
    steps:
      - name: Check out repository code
        uses: actions/checkout@v2