.github/workflows/ruby.yml in jupyter_on_rails-0.7.0 vs .github/workflows/ruby.yml in jupyter_on_rails-0.8.0

@@ -12,10 +12,10 @@
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
       uses: actions/setup-ruby@v1
       with:
-        ruby-version: 2.7.1
+        ruby-version: 2.7.2
     # https://github.com/actions/cache/blob/master/examples.md#ruby---bundler
     - uses: actions/cache@v1
       with:
         path: vendor/bundle
         key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}