Bump actions/checkout from 4 to 5 in the dependencies group (#462)

Author: dependabot[bot]

.github/workflows/validate-owasp-metadata.yaml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Validate metadata file
         # We want to use the latest version of the action which lives in the