chore: git clean outside of website/static before rebase

.github/workflows/website-update-api-reference.yml

@@ -29,6 +29,7 @@ jobs:
           git config --local user.email 'github-actions[bot]@users.noreply.github.com'
           git add website/static
           git commit -m "docs: api reference and website examples update: $GITHUB_SHA"
+          git clean -fdx --exclude='website/static'
           git pull --rebase origin main
           git push origin HEAD:main