Integrate VET FP reduction for Go

What does this MR do?

• Integration with the VET backend(verify mode) for FP reduction
• Runs VET only for Go(.go) files

What are the relevant issue numbers?

• https://gitlab.com/gitlab-org/gitlab/-/issues/356378
• https://gitlab.com/gitlab-org/gitlab/-/issues/378622

This MR depends on:

1. https://gitlab.com/gitlab-org/security-products/vet/vet/-/merge_requests/90
2. https://gitlab.com/gitlab-org/security-products/vet/stencils/-/merge_requests/4

Does this MR meet the acceptance criteria?

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