Merge pull request #127 from flintlib/dependabot/github_actions/actions/checkout-4

Bump actions/checkout from 3 to 4

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -132,7 +132,7 @@ jobs:
         # Supported versions and latest git
         flinttag: ['v3.0.0', 'v3.0.1', 'v3.1.0', 'main']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: 3.12