feat(BUX-754): PATCH endpoint for unconfirmed contact

[kuba-4chain]

Pull Request Checklist

• [x] 📖 I created my PR using provided : CODE_STANDARDS
• [x] 📖 I have read the short Code of Conduct: CODE_OF_CONDUCT
• [x] 🏠 I tested my changes locally.
• [ ] ✅ I have provided tests for my changes.
• [x] 📝 I have used conventional commits.
• [ ] 📗 I have updated any related documentation.
• [x] 💾 PR was issued based on the Github or Jira issue.

[github-actions[bot]]

Manual Tests

:green_heart: Manual testing by @javattor resulted in success.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 41.17647% with 20 lines in your changes are missing coverage. Please review.

Project coverage is 52.37%. Comparing base (dfd7887) to head (38a1080).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #552      +/-   ##
==========================================
- Coverage   52.40%   52.37%   -0.03%     
==========================================
  Files         197      198       +1     
  Lines       11081    11115      +34     
==========================================
+ Hits         5807     5822      +15     
- Misses       4724     4740      +16     
- Partials      550      553       +3     

Flag	Coverage Δ
unittests	52.37% <41.17%> (-0.03%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
actions/contacts/routes.go	100.00% <100.00%> (ø)
engine/model_contact.go	70.19% <100.00%> (+1.02%)	:arrow_up:
engine/action_contact.go	48.37% <57.14%> (+1.10%)	:arrow_up:
actions/contacts/unconfirm.go	0.00% <0.00%> (ø)

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[mariusz-4chain]

testing