fix: Feature health event task not working

[khvn26]

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Changes

This fixes the feature health events not being created in an environment where tasks are run asynchronously.

How did you test this code?

Ran task processor in a different container and triggered the webhook.

[vercel]

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3 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)	Visit Preview		Feb 3, 2025 3:48pm
flagsmith-frontend-preview	⬜️ Ignored (Inspect)	Visit Preview		Feb 3, 2025 3:48pm
flagsmith-frontend-staging	⬜️ Ignored (Inspect)	Visit Preview		Feb 3, 2025 3:48pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-e2e:pr-5072	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api-test:pr-5072	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-frontend:pr-5072	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-api:pr-5072	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-5072	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-5072	Finished ✅	Results ✅

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.43%. Comparing base (22223da) to head (89d6bcc).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5072   +/-   ##
=======================================
  Coverage   97.43%   97.43%           
=======================================
  Files        1214     1214           
  Lines       42264    42267    +3     
=======================================
+ Hits        41180    41183    +3     
  Misses       1084     1084           

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