ci: introduce gci linter for golangci-lint

[philipp-hinteregger]

This PR

• is a follow up PR of ci: add golangci-lint workflow #448
• introduces the gci linter for golangci-lint
• fixes new linter errors with gci write --skip-generated -s standard,default .

Related issue

• Research: pipeline to have a check for Go format #391

Signed-off-by: Philipp Hinteregger [email protected]

[codecov]

Codecov Report

Merging #461 (24100a6) into main (0855489) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #461   +/-   ##
=======================================
  Coverage   43.28%   43.28%           
=======================================
  Files          27       27           
  Lines        2116     2116           
=======================================
  Hits          916      916           
  Misses       1118     1118           
  Partials       82       82           

Impacted Files	Coverage Δ
operator/controllers/common/evaluationhandler.go	0.00% <ø> (ø)
operator/controllers/common/taskhandler.go	0.00% <ø> (ø)
operator/controllers/keptnapp/controller.go	65.88% <ø> (ø)
operator/controllers/keptnappversion/controller.go	71.87% <ø> (ø)
...ers/keptnappversion/reconcile_prepostdeployment.go	81.25% <ø> (ø)
operator/controllers/keptntask/controller.go	0.00% <ø> (ø)
operator/controllers/keptntask/job_utils.go	40.00% <ø> (ø)
...or/controllers/keptnworkloadinstance/controller.go	49.46% <ø> (ø)
...keptnworkloadinstance/reconcile_deploymentstate.go	62.29% <ø> (ø)
operator/webhooks/pod_mutating_webhook.go	35.94% <ø> (ø)
... and 2 more

Flag	Coverage Δ
keptn-lifecycle-operator	47.81% <ø> (ø)
scheduler	4.52% <ø> (ø)

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

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[RealAnna]

LGTM