Merge pull request #705 from stefankroes/dependabot/github_actions/actions/checkout-6

Bump actions/checkout from 5 to 6

Author: kbrock

.github/workflows/run_test_suite.yml

@@ -78,7 +78,7 @@ jobs:
       FORMAT: ${{ matrix.format }}
     steps:
       - name: checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: setup Ruby
         # https://github.com/ruby/setup-ruby#versioning