docs(attestations): fix example for GitLab CI/CD (pypi#17163)

* docs(attestations): fix example for GitLab CI/CD

* docs(attestations): align aud passed to id with id_tokens aud

---------

Co-authored-by: Dustin Ingram <di@users.noreply.github.com>

docs/user/attestations/producing-attestations.md

@@ -191,14 +191,14 @@ Before uploading attestations to the index, please:
         - python -m pip install -U twine id
 
         # Retrieve the OIDC token from GitLab CI/CD, and exchange it for a PyPI API token
-        - oidc_token=$(python -m id PYPI)
+        - oidc_token=$(python -m id pypi)
         # Replace "https://pypi.org/*" with "https://test.pypi.org/*" if uploading to TestPyPI
         - resp=$(curl -X POST https://pypi.org/_/oidc/mint-token -d "{\"token\":\"${oidc_token}\"}")
         - api_token=$(jq --raw-output '.token' <<< "${resp}")
 
         # Upload to PyPI authenticating via the newly-minted token, including the generated attestations
         # Add "--repository testpypi" if uploading to TestPyPI
-        - twine --verbose --attestations upload -u __token__ -p "${api_token}" python_pkg/dist/*
+        - twine upload --verbose --attestations -u __token__ -p "${api_token}" python_pkg/dist/*
     ```
 
     Note how, compared with the [Trusted Publishing workflow][GitLab Trusted Publishing], it has the