fix missed gate to Python setup

Author: ndgrigorian

.github/workflows/backfill-docs.yml

@@ -48,7 +48,6 @@ jobs:
         run: |
           sudo apt-get install ninja-build
       - name: Setup Python
-        if: ${{ !github.event.pull_request || github.event.action != 'closed' }}
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: '3.14'