Adding non_archived scope for counting projects

What does this MR do?

This MR fixes #23862 (closed), excluding archived projects in group for counting.

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

Added non_archived scope in _group.html.haml:18, is this correct approach?

Why was this MR needed?

To fix #23862 (closed) .

Screenshots (if relevant)

project list showing 1 archived and 1 active.

group count of H5bp shows count as 1.

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #23862 (closed)