actions: add zizmor ignore for nightly wheels token

Author: oscarbenjamin

.github/workflows/buildwheel.yml

@@ -449,7 +449,7 @@ jobs:
           artifacts_path: dist
           # This token is generated from anaconda.org
           # https://github.com/scientific-python/upload-nightly-action/issues/111
-          anaconda_nightly_upload_token: ${{ secrets.ANACONDA_ORG_UPLOAD_TOKEN }}
+          anaconda_nightly_upload_token: ${{ secrets.ANACONDA_ORG_UPLOAD_TOKEN }} # zizmor: ignore[secrets-outside-env]
 
   # Deploy wheels and sdist to PyPI