Merge pull request #402 from astropy/dependabot/github_actions/actions/checkout-5.0.0

Bump actions/checkout from 4.2.2 to 5.0.0

Author: pllim

.github/workflows/ci_tests.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
       with:
         fetch-depth: 0