Updated lab titles to be consistent across overview and lab pages

Why is this change being made?

This MR updates the lab titles on the overview page to be consistent with their lab names in the lab itself. Inconsistency in naming looks unprofessional, and limits GitLab's credibility.

Author and Reviewer Checklist

Please verify the check list and ensure to tick them off before the MR is merged.

• Provided a concise title for this Merge Request (MR)
• Added a description to this MR explaining the reasons for the proposed change, per say why, not just what
  • Copy/paste the Slack conversation to document it for later, or upload screenshots. Verify that no confidential data is added, and the content is SAFE
• Assign reviewers for this MR to the correct Directly Responsible Individual/s (DRI)
  • If the DRI for the page/s being updated isn’t immediately clear, then assign it to one of the people listed in the Maintained by section on the page being edited
  • 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
  • The when to get approval handbook section explains the workflow in more detail
• For transparency, share this MR with the audience that will be impacted.
  • Team: For changes that affect your direct team, share in your group Slack channel
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  • Company: If the update affects all (or the majority of) GitLab team members, post an update in #whats-happening-at-gitlab linking to this MR
    • For high-priority company-wide announcements work with the internal communications team to post the update in #company-fyi and align on a plan to circulate in additional channels like the "While You Were Iterating" Newsletter

Commits

• Updated lab titles to be consistet across overview and lab pages

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added HandbookContent label

requested review from @tanwride and @scottcosentinogitlab

assigned to @IanErnst

Reviewer Roulette

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Generated by Danger

approved this merge request

added this merge request to the merge train at position 3

merged

mentioned in commit 6aec0eea