Bump rouge to 2.2.1
What does this MR do?
Bumps rouge from v2.2.0 to v2.2.1
Changelog: https://github.com/jneen/rouge/blob/v2.2.1/CHANGELOG.md
Are there points in the code the reviewer needs to double check?
No
Why was this MR needed?
Performance improvements (fewer object allocations) in Rouge, see https://github.com/jneen/rouge/issues/755.
Does this MR meet the acceptance criteria?
-
Changelog entry added, if necessary - Everything else N/A