Remove require.context from graphs_bundle

What does this MR do?

Removes use of require.context in graphs_bundle

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

All builds should pass

Why was this MR needed?

See #28454 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Tests
  • 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?

See #28454 (closed)