Merge pull request #277 from classy-python/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 3 to 4

Author: ghickman

.github/workflows/python-tests.yml

@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Clone code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4