fix: add missing GH token in scout cron

[aneojgurhem]

Motivation

Make sure the scout pipiline work properly.

Description

Add the missing GitHub token a environment variable.

Testing

Tests will be performed after because the pipeline need to be on main for testing.

Impact

Notification of security issues.

Checklist

• My code adheres to the coding and style guidelines of the project.
• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• I have thoroughly tested my modifications and added tests when necessary.
• Tests pass locally and in the CI.
• I have assessed the performance impact of my modifications.