fix: revert appendUniq due to performance hit

[jdobes]

No description provided.

[jira-linking]

Commits missing Jira IDs:
3379083

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 59.07%. Comparing base (86f6b90) to head (3379083).
Report is 60 commits behind head on main.

Files with missing lines	Patch %	Lines
vmaas/vulnerabilities.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #76      +/-   ##
==========================================
+ Coverage   56.74%   59.07%   +2.33%     
==========================================
  Files          11       11              
  Lines        2062     1642     -420     
==========================================
- Hits         1170      970     -200     
+ Misses        838      604     -234     
- Partials       54       68      +14     

Flag	Coverage Δ
unittests	59.07% <0.00%> (+2.33%)	⬆️

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