chore: add support for staticcheck

[remyleone]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 87.68810% with 90 lines in your changes missing coverage. Please review.

Project coverage is 71.11%. Comparing base (fe86049) to head (ab462eb).
Report is 158 commits behind head on master.

Files	Patch %	Lines
internal/verify/date.go	0.00%	26 Missing ⚠️
internal/verify/cron.go	0.00%	15 Missing ⚠️
internal/verify/email.go	65.62%	11 Missing ⚠️
internal/verify/uuid.go	69.69%	10 Missing ⚠️
internal/services/instance/servers_data_source.go	50.00%	5 Missing and 3 partials ⚠️
internal/verify/ip.go	66.66%	5 Missing ⚠️
internal/services/lb/types.go	55.55%	4 Missing ⚠️
internal/services/instance/server.go	85.00%	2 Missing and 1 partial ⚠️
internal/services/lb/testfuncs/checks.go	0.00%	3 Missing ⚠️
internal/services/k8s/helpers_k8s.go	50.00%	1 Missing and 1 partial ⚠️
... and 2 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2717      +/-   ##
==========================================
- Coverage   71.43%   71.11%   -0.33%     
==========================================
  Files         277      335      +58     
  Lines       35875    33802    -2073     
==========================================
- Hits        25628    24037    -1591     
+ Misses       8028     7436     -592     
- Partials     2219     2329     +110     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.