fix: add dismissed review event to map of review state to event

[zolamk]

Description

Fixes a bug on the $review built-in action where an error occurs if the previous review was dismissed by the user.

🤖 Generated by Copilot at 0830bbf

Handle dismissed reviews in Reviewpad. Add a case for DISMISSED state in plugins/aladino/actions/review.go.

Related issue

Closes #788

Type of change

Bug fix (non-breaking change which fixes an issue)

How was this tested?

Manual tests

Checklist

• I have performed a self-review of my code
• I have added tests that prove my fix/feature works (if applicable) and have tested properly
• I have ran task check -f and have no issues

Code review and merge strategy (ship/show/ask)

Ask: this pull request requires a code review before merge

HOW

🤖 Generated by Copilot at 0830bbf

• Add a new case for the "DISMISSED" review state in the switch statement that maps a state to an event (link)

[reviewpad]

AI-Generated Summary: This pull request adds the missing "DISMISSED" review event to the function mapReviewStateToEvent in the plugins/aladino/actions/review.go file. The update ensures that the dismissed review state is properly handled and mapped to its corresponding event.

[reviewpad]

Reviewpad Report

ℹ️ Messages

• If you are adding or updating a built-in, please do not forget to update the docs
• If you have added a new function or action do not forget to include it in the built-in list!

‼️ Errors

• You have too many open pull requests. Please close some of them before opening a new one. Reviewpad will only assign a reviewer when you have less than 3 open pull requests.