chore(ci): Add attestation and id-token permissions · bids-standard/python-validator@ff8e5aa

Canceling since a higher priority waiting request for '.github/workflows/build-test-deploy.yml-refs/heads/main' exists

The operation was canceled.

Codecov: Failed to properly create commit: The process '/home/runner/work/_actions/codecov/codecov-action/v4/dist/codecov' failed with exit code 1