Refactored UpdateGuest endpoint

[manueltorres0]

• refactored the update guest endpoint to allow for updating of notes + the update guest model
• made all update fields optional
• updated the handler level tests

[codecov]

Codecov Report

❌ Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 20.32%. Comparing base (6033a10) to head (fa0fd15).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
backend/internal/repository/guests.go	0.00%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #254      +/-   ##
==========================================
- Coverage   20.37%   20.32%   -0.05%     
==========================================
  Files          39       39              
  Lines        1453     1456       +3     
==========================================
  Hits          296      296              
- Misses       1153     1156       +3     
  Partials        4        4              

Flag	Coverage Δ
backend	20.32% <0.00%> (-0.05%)	⬇️

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

Files with missing lines	Coverage Δ
backend/internal/repository/guests.go	0.00% <0.00%> (ø)

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[Dao-Ho]

LGTM ✅