OIDC examples don't pin external actions (& don't declare them)

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

1. https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-google-cloud-platform#requesting-the-access-token
2. https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-amazon-web-services#requesting-the-access-token
3. https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-azure#requesting-the-access-token
4. https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-hashicorp-vault#requesting-the-access-token
5. https://docs.github.com/en/actions/security-for-github-actions/security-hardening-your-deployments/configuring-openid-connect-in-pypi#updating-your-github-actions-workflow

What part(s) of the article would you like to see updated?

    steps:
    - id: 'auth'
      name: 'Authenticate to GCP'
      uses: 'google-github-actions/auth@v0.3.1'
      with:

should pin a hash instead, also the reusable disclaiming 3rdparty usage should be added.

Additional information

This is analogous for all the pages mentioned, for both # Requesting and # Revoking examples.