fix(ci): Rate-limited Trivy database pulls

[khvn26]

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Changes

Acommodates for Trivy rate limiting problems described in aquasecurity/trivy-action#389

How did you test this code?

This is a CI change.

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3 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)	Visit Preview		Oct 1, 2024 2:28pm
flagsmith-frontend-preview	⬜️ Ignored (Inspect)	Visit Preview		Oct 1, 2024 2:28pm
flagsmith-frontend-staging	⬜️ Ignored (Inspect)	Visit Preview		Oct 1, 2024 2:28pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-api-test:pr-4677	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-e2e:pr-4677	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-4677	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-4677	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-4677	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-4677	Finished ✅	Results ✅

[github-actions]

Uffizzi Preview deployment-56806 was deleted.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.19%. Comparing base (59aa2f7) to head (dcdd680).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4677   +/-   ##
=======================================
  Coverage   97.19%   97.19%           
=======================================
  Files        1166     1166           
  Lines       40436    40436           
=======================================
  Hits        39301    39301           
  Misses       1135     1135           

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[matthewelwell]

@khvn26 it looks like this doesn't work for external PRs as is evident here. Is there something that we can do about that?