chore(lint): comply with golangci-lint v2.6.0

[Mia-Cross]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 13.63636% with 19 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.47%. Comparing base (704ebe3) to head (744f303).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...al/namespaces/instance/v1/custom_security_group.go	0.00%	7 Missing ⚠️
internal/sshconfig/bastion_host.go	0.00%	5 Missing ⚠️
internal/interactive/list.go	0.00%	4 Missing ⚠️
internal/interactive/print.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5102      +/-   ##
==========================================
- Coverage   57.47%   57.47%   -0.01%     
==========================================
  Files         308      308              
  Lines       67193    67200       +7     
==========================================
  Hits        38621    38621              
- Misses      27134    27141       +7     
  Partials     1438     1438              

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