Merge pull request #590 from dhstewart/use-node16

Update actions/checkout

Author: cben

.github/workflows/actions.yml

@@ -30,7 +30,7 @@ jobs:
             command: 'bundle exec rake rubocop'
     name: ${{ matrix.os_and_command.os }} ${{ matrix.ruby }} rake ${{ matrix.os_and_command.command }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     # actions/setup-ruby did not support truffle or bundler caching
     - uses: ruby/setup-ruby@v1
       with: