MAINT: upgrade actions/deploy-pages (#500)

Author: dependabot[bot]

.github/workflows/redirect-gh-pages.yml

@@ -41,4 +41,4 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v5