fix: poetry audit

[matthewelwell]

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Changes

Fix poetry audit failure as per this failure.

How did you test this code?

Ensured that poetry-audit-plugin==0.4.0 works with poetry 1.8.2.

Also added the workflow to trigger on pushes to this branch (temporarily) and saw the workflow pass here.

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Name	Status	Preview	Comments	Updated (UTC)
docs	🛑 Canceled (Inspect)			Mar 11, 2024 9:41am
flagsmith-frontend-preview	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 11, 2024 9:41am
flagsmith-frontend-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 11, 2024 9:41am

[github-actions]

Uffizzi Preview deployment-48147 was deleted.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.86%. Comparing base (7babc38) to head (d930c1f).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3592   +/-   ##
=======================================
  Coverage   95.86%   95.86%           
=======================================
  Files        1099     1099           
  Lines       34160    34171   +11     
=======================================
+ Hits        32748    32759   +11     
  Misses       1412     1412           

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