Update actions/upload-pages-artifact action to v5 (#1204)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docsite.yml

@@ -37,7 +37,7 @@ jobs:
 
       - name: Upload site as artifact
         id: deployment
-        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b # v4
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5
         with:
           path: docs/.vuepress/dist