fix: Edge V2-enabled environments are not rebuilt on feature version publish

[khvn26]

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Changes

This fixes the issue when some environment updates don't trigger an flagsmith_environments_v2 update.

How did you test this code?

Updated the relevant unit test.

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3 Ignored Deployments

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)			Jun 7, 2024 6:32pm
flagsmith-frontend-preview	⬜️ Ignored (Inspect)			Jun 7, 2024 6:32pm
flagsmith-frontend-staging	⬜️ Ignored (Inspect)			Jun 7, 2024 6:32pm

[github-actions]

Uffizzi Preview deployment-52798 was deleted.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.49%. Comparing base (e217df7) to head (87cc6c2).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4132      +/-   ##
==========================================
- Coverage   96.49%   96.49%   -0.01%     
==========================================
  Files        1174     1174              
  Lines       38123    38120       -3     
==========================================
- Hits        36788    36785       -3     
  Misses       1335     1335              

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