refactor: consistent receiver name for models

[jooola]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 68.62745% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.01%. Comparing base (3def8ef) to head (bf28613).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
hcloud/server.go	62.50%	6 Missing ⚠️
hcloud/primary_ip.go	0.00%	4 Missing ⚠️
hcloud/certificate.go	0.00%	2 Missing ⚠️
hcloud/floating_ip.go	66.66%	2 Missing ⚠️
hcloud/image.go	50.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #799   +/-   ##
=======================================
  Coverage   80.01%   80.01%           
=======================================
  Files          60       60           
  Lines        4494     4494           
=======================================
  Hits         3596     3596           
  Misses        596      596           
  Partials      302      302           

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