updated ruby.yml

Author: StoneGod

.github/workflows/ruby.yml

@@ -23,10 +23,10 @@ jobs:
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
     # change this to (see https://github.com/ruby/setup-ruby#versioning):
-    # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
+      uses: ruby/setup-ruby@v1
+    # uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
       with:
-        ruby-version: 2.6
+        ruby-version: 2.7
     - name: Install dependencies
       run: bundle install
     - name: Run tests