chore: prepare release v0.31.0

[bot-go-openapi]

This PR prepares the mono-repo for release v0.31.0.

Changes:

• Updated inter-module dependencies to v0.31.0
• Ran go mod tidy on all modules
• Synced go.work (if present)

This PR will be auto-merged once all checks pass.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.17%. Comparing base (1fd10af) to head (bd1667b).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #466      +/-   ##
==========================================
+ Coverage   83.10%   83.17%   +0.06%     
==========================================
  Files          62       62              
  Lines        4481     4481              
==========================================
+ Hits         3724     3727       +3     
+ Misses        584      582       -2     
+ Partials      173      172       -1     

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