Bump actions/checkout from 4.2.2 to 5.0.0 (#28)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/sandbox.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
 
     - name: OPA setup
       uses: open-policy-agent/setup-opa@34a30e8a924d1b03ce2cf7abe97250bbb1f332b5