Instrument Rinku usage

What does this MR do?

Add metrics instrumentation to Rinku, module methods (autolink)

What are the relevant issue numbers?

#18593 (closed)

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 style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together

Marked the task CHANGELOG entry added as completed

Marked the task All builds are passing as completed

Marked the task Branch has no merge conflicts with master (if you do - rebase it please) as completed

Marked the task Conform by the style guides as completed

Marked the task Squashed related commits together as completed

Reassigned to @DouweM

Status changed to merged

mentioned in commit 1141eaf5