Merge pull request #468 from NHSDigital/dependabot/github_actions/actions/checkout-5

Bump actions/checkout from 4 to 5

Author: eddalmond1

.github/workflows/cicd-4-preprod-deploy.yaml

@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - name: Checkout (full history & tags)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with: { fetch-depth: 0 }
 
       - name: Force HTTPS remote for act