ci.yml in simple_segment-1.4.0

- old
+ new

@@ -8,15 +8,15 @@
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: [2.6, 2.7, 3.0]
+        ruby: ['3.1', '3.0', '2.7']
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Ruby ${{ matrix.ruby-version }}
+      - uses: actions/checkout@v3
+      - name: Set up Ruby ${{ matrix.ruby }}
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ${{ matrix.ruby-version }}
+          ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - name: Run tests
         run: bundle exec rake
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