ruby-tests.yml in joi-0.0.2

- old
+ new

@@ -22,10 +22,10 @@
         ruby: ["2.7", "3.0", "3.1"]
         gemfile:
           - Gemfile
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2.4.0
 
       - uses: actions/cache@v2
         with:
           path: vendor/bundle
           key: >