Remove mention of testifysec from chart.

[matglas]

What this PR does / why we need it

Remove mention of testifysec from chart.

Which issue(s) this PR fixes (optional)

Fixes #258

Acceptance Criteria Met

• Docs changes if needed
• Testing changes if needed
• All workflow checks passing (automatically enforced)
• All review conversations resolved (automatically enforced)
• DCO Sign-off

[matglas]

It looks like my changes are failing on something that is already in the main branch.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 1.55%. Comparing base (a035c62) to head (76af827).
Report is 64 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #259       +/-   ##
==========================================
- Coverage   82.40%   1.55%   -80.85%     
==========================================
  Files          10     117      +107     
  Lines         358   28561    +28203     
==========================================
+ Hits          295     444      +149     
- Misses         43   28061    +28018     
- Partials       20      56       +36     

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[kairoaraujo]

Thank you, @matglas, for the PR. 🎉