Merge pull request #2011 from justeattakeaway/renovate/actions-deploy-pages-5.x

Update actions/deploy-pages action to v5

Author: slang25

.github/workflows/deploy-docs.yml

@@ -57,5 +57,5 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5