Add Integrated Error Tracking support for SDS service

What does this MR do?

This MR integrates with GitLab Integrated Error Tracking for gRPC Secret Detection Service. This effectively captures any exceptions that are propagated by the Core logic to the RPC Service layer.

Here's a sample exception raised by the Core Scanner but captured from the RPC Scanner Service layer: https://gitlab.com/gitlab-org/security-products/secret-detection/secret-detection-service/-/error_tracking/1062777631/details

What are the relevant issue numbers?

gitlab-org/gitlab#499067 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated for this project, if necessary
• Documentation reviewed by technical writer or follow-up review issue created
• Tests updated/added for this feature/bug
• Job definition updated, if necessary
  • Auto-DevOps template
  • Job definition example
  • CI Templates
• Conforms to the code review guidelines