Add git dependency into retire.js analyzer to allow for git-sourced dependencies

What does this MR do?

This MR simply adds in git to the analyzer so that projects that depend on git-sourced dependencies can build correctly.

adding --no-cache allows you to not cache the index locally, reducing the overall image size.

What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ee/issues/11413

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