Tweak judge prompt

What does this merge request do and why?

Finetune the judge for VulnerabilityResolve according to human feedback.

Human review on this judge conclude that it is good to push to prod (daily run).

Ref: #444 (closed) #480 (closed)

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

Merge request checklist

• I've ran the affected pipeline(s) to validate that nothing is broken.
• Tests added for new functionality. If not, please raise an issue to follow up.
• Documentation added/updated, if needed.