Update actions/upload-pages-artifact action to v5

Author: renovate[bot]

.github/workflows/pages-generate-from-docs-dir.yml

@@ -116,7 +116,7 @@ jobs:
           destination: build/pages
 
       - name: Upload Pages artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@v5
         with:
           path: build/pages