ci.yml in resque-heroku-signals-2.3.0

- old
+ new

@@ -11,10 +11,10 @@
     strategy:
       matrix:
         ruby-version: ['3.0', 2.7, 2.6, 2.5, 2.4]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Ruby ${{ matrix.ruby-version }}
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
       - name: Install dependencies
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