Growth performance indicator group name changes

Why is this change being made?

Two growth group names have changed

• confirm changes to https://app.periscopedata.com/app/gitlab/681347/MR-Metrics-by-Organization have been made first, including activation and adoption.

Note this change looks slightly bigger (4) than it actually is (2) as the groups are listed alphabetically.

Author Checklist

• Provided a concise title for the MR
• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
• Assign this change to the correct DRI
  • If the DRI for the page/s being updated isn’t immediately clear, then assign it to your manager.
  • If your manager does not have merge rights, please ask someone to merge it AFTER it has been approved by your manager in #mr-buddies.
  • If the changes relate to any part of the project other than updates to content and/or data files please make sure to ping @gl-static-site-editor in a comment for a review and merge. For example changes to .gitlab-ci.yml, JavaScript/CSS/Ruby code or the layout files. (this requirement has been removed pending identification of a new DRI for the handbook)