Use id.Get to simplify update

[majst01]

Description

Use metal-stack/api#14 to simplify update.

We should discuss if this is worth the effort.

[codecov]

Codecov Report

❌ Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 58.67%. Comparing base (8fe1a88) to head (5655aac).
⚠️ Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/repository/store.go	57.14%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
- Coverage   58.68%   58.67%   -0.02%     
==========================================
  Files          81       81              
  Lines        8905     8909       +4     
==========================================
+ Hits         5226     5227       +1     
- Misses       3171     3173       +2     
- Partials      508      509       +1     

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[majst01]

Decision was made that this approach is not worth the effort, closing