[Greenhouse]: Enrich Candidate or Prospect audit logs with the rejection logs

### Integration Name

Greenhouse [packages/greenhouse]

### Dataset Name

_No response_

### Integration Version

0.1.0

### Agent Version

9.4.3

### OS Version and Architecture

MacOS

### User Goal

Greenhouse has a new feature that one could reject the a candidate as a security risk.

When a candidate is rejected as a security risk, it is beneficial for security teams to have this data ingested into Elasticsearch as part of the auditlog. Currently the `Candidate or Prospect rejected` audit log does not include the rejection notes.

### Existing Features

`Candidate or Prospect rejected` audit log is ingested

### What did you see?

`Candidate or Prospect rejected` audit log is ingested

### Anything else?

_No response_