ci: update release audit workflow

[erisu]

Platforms affected

n/a

Motivation and Context

Use latest release audit version dependencies

Description

• bump Apache Creadur Rat 0.16.1
• use latest node
• fix .ratignore

Testing

Ran command locally & remote repo.

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary