Convert "Group" -> "Members" list view from HAML to Vue

Summary

There are a few issues that require the "Group" -> "Members" list view to be Vue instead of HAML. This layout should be converted to Vue and use the GitLab UI Table Component

Issues blocked by this:

• #228680 (closed)
• https://gitlab.com/gitlab-org/gitlab/-/issues/228676
• #232664 (closed)

Improvements

• Improved UX
• Better developer experience

Risks

• Feature tests will need to be updated

Involved components

• app/views/groups/group_members/index.html.haml