[O11y][MongoDB] Migrate `Metrics Overview` dashboard visualizations to lens in kibana 8.1.0#5830

Merged

kush-elastic merged 2 commits intoelastic:mainfrom rajvi-patel-22:lens_migration-mongodb-metrics-8.1.0

Apr 11, 2023

+1,252-1,303

Commits on Apr 10, 2023