Fix moved help URL for administration monitoring performance
What does this MR do?
Fix moved help URL for administration monitoring performance
Gitlab.com as example:
Before: https://gitlab.com/help/administration/monitoring/performance/introduction
After: https://gitlab.com/help/administration/monitoring/performance/index.md
Screenshots
Moved link
Target correct link
Does this MR meet the acceptance criteria?
Conformity
Edited by Alper Akgun