fix(ci): Remove invalid trigger for Update Trivy Database and Scan

[khvn26]

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Changes

This removes a now invalid workflow trigger previously used for testing.

How did you test this code?

This is a CI change.

[vercel]

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3 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)			May 16, 2025 5:07pm
flagsmith-frontend-preview	⬜️ Ignored (Inspect)			May 16, 2025 5:07pm
flagsmith-frontend-staging	⬜️ Ignored (Inspect)			May 16, 2025 5:07pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-api-test:pr-5462	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-e2e:pr-5462	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-5462	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-5462	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-5462	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-5462	Finished ✅	Results ✅

[github-actions]

Uffizzi Ephemeral Environment Deploying

☁️ https://app.uffizzi.com/github.com/Flagsmith/flagsmith/pull/5462

⚙️ Updating now by workflow run 15073720128.

What is Uffizzi? Learn more!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.65%. Comparing base (457888e) to head (763a22f).
Report is 9 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5462   +/-   ##
=======================================
  Coverage   97.65%   97.65%           
=======================================
  Files        1235     1235           
  Lines       43326    43326           
=======================================
  Hits        42309    42309           
  Misses       1017     1017           

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[Zaimwa9]

Makes sense