Install Git LFS in Helper image for X86_64

This is a general Merge Request template. Consider to choose a template from the list above if it will match your case more.

What does this MR do?

Install Git LFS for x86-64 variant of helper image.

Why was this MR needed?

Are there points in the code the reviewer needs to double check?

Does this MR meet the acceptance criteria?

• Documentation created/updated
• Tests
  • Added for this feature/bug
  • All builds are passing
• Branch has no merge conflicts with master (if you do - rebase it please)

What are the relevant issue numbers?

Tries to resolve https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/issues/2245.

mentioned in merge request !587 (closed)

mentioned in issue #2245 (closed)

Any reason not to merge this?

@stanhu I don't see any :)

changed milestone to %9.3

assigned to @tmaczukin

@tmaczukin Ok, please merge then!

approved this merge request

merged