chore: use goimports for import grouping

[aramase]

Changed by running goimports -local github.com/Azure/azure-workload-identity -w .

fixes #724

[codecov-commenter]

Codecov Report

Merging #809 (a238b51) into main (01b89e8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #809   +/-   ##
=======================================
  Coverage   50.92%   50.92%           
=======================================
  Files          36       36           
  Lines        2370     2370           
=======================================
  Hits         1207     1207           
  Misses       1116     1116           
  Partials       47       47           

Impacted Files	Coverage Δ
pkg/cmd/serviceaccount/delete.go	50.00% <ø> (ø)
pkg/cmd/serviceaccount/root.go	0.00% <ø> (ø)
pkg/cmd/version/root.go	18.18% <ø> (ø)
pkg/kuberneteshelper/serviceaccount.go	77.41% <ø> (ø)

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