Runs Argus AI code review against the current pull request and posts findings back
to Bitbucket. See vars/argusReview.groovy for the full parameter list and defaults,
and jenkins/examples/Jenkinsfile for a working example.

<pre>
argusReview(
    image: 'registry.internal/argus-review:0.1.0',
    model: 'openai/gpt-4.1-mini',
    failOn: 'never',
)
</pre>
