Upgrade to Browser Based Scanner to v0.0.42

What does this MR do?

Upgrade to Browser Based Scanner to v0.0.42

This version includes:

• Add vulnerabilities[].discovered_at to the secure report browserker!346
• Add vulnerabilities[].id to the secure report browserker!350
• Fix a potential race closing the browser browserker!351
• Add vulnerabilities.evidence.summary to secure report browserker!348
• Add scan.analyzer to the secure report browserker!349
• Add vulnerabilities.solution to the secure report browserker!354

What are the relevant issue numbers?

gitlab-org/gitlab#338197 (closed)

GitLab Docs MR