chore: Reach UI Popover example

[JoshuaKGoldberg]

Overview

PR Checklist

• Related to designs:
• Related to JIRA ticket: ABC-123
• I have run this code to verify it works
• This PR includes unit tests for the code change

Description

[codecov]

Codecov Report

Merging #1151 (85061c0) into main (e89559b) will decrease coverage by 0.11%.
The diff coverage is 20.00%.

@@            Coverage Diff             @@
##             main    #1151      +/-   ##
==========================================
- Coverage   68.91%   68.79%   -0.12%     
==========================================
  Files         280      281       +1     
  Lines        2168     2173       +5     
  Branches      744      746       +2     
==========================================
+ Hits         1494     1495       +1     
- Misses        664      668       +4     
  Partials       10       10              

Impacted Files	Coverage Δ
...gamut-labs/src/experimental/ReachPopover/index.tsx	20.00% <20.00%> (ø)

[codecademydev]

📬Published Alpha Packages:

@codecademy/gamut-labs@5.3.1-alpha.85061c.0
@codecademy/styleguide@18.5.7-alpha.85061c.0

[codecademydev]

🚀 Styleguide deploy preview ready!

https://5fb3ec39297e313da9d9bf30--gamut-preview.netlify.app

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