Add a 10 ms bucket for SQL timings

What does this MR do?

This adds a bucket for 10 ms to the SQL timings histogram, allowing us to calculate quantiles more accurately.

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Conform by the code review guidelines
  • Has been reviewed by a Backend maintainer
  • Has been reviewed by a Database specialist
• Conform by the merge request performance guides
• Conform by the style guides
• Conform by the database guides
• End-to-end tests pass (package-and-qa manual pipeline job)