fix: enable gofumpt instead of gofmt linter in contrib, etcdctl and etcdutl

[mmorel-35]

Description

enables and fixes gofumpt linter issues in contrib, etcdctl and etcdutl directories

Related to #18955

[k8s-ci-robot]

Hi @mmorel-35. Thanks for your PR.

I'm waiting for a etcd-io member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 25.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 68.78%. Comparing base (1ee6598) to head (f77a3ab).

❗ Current head f77a3ab differs from pull request most recent head 3ef69d2

Please upload reports for the commit 3ef69d2 to get more accurate results.

Files with missing lines	Patch %	Lines
etcdctl/ctlv3/command/printer.go	0.00%	3 Missing ⚠️
etcdctl/ctlv3/command/check.go	0.00%	2 Missing ⚠️
etcdutl/etcdutl/snapshot_command.go	0.00%	1 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

Files with missing lines	Coverage Δ
etcdctl/ctlv3/command/elect_command.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/ep_command.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/lease_command.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/printer_fields.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/printer_simple.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/printer_table.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/snapshot_command.go	0.00% <ø> (ø)
etcdctl/ctlv3/command/user_command.go	0.00% <ø> (ø)
etcdctl/ctlv3/ctl.go	0.00% <ø> (ø)
etcdutl/ctl.go	0.00% <ø> (ø)
... and 8 more

... and 17 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #18754      +/-   ##
==========================================
+ Coverage   68.70%   68.78%   +0.07%     
==========================================
  Files         420      420              
  Lines       35531    35532       +1     
==========================================
+ Hits        24413    24442      +29     
+ Misses       9687     9661      -26     
+ Partials     1431     1429       -2     

---

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[ahrtr]

/ok-to-test

[mmorel-35]

@ahrtr,

There is no suggested assignee here.
Do you know why ?
Who shall be assigned then ?

[mmorel-35]

/retest

[mmorel-35]

/assign @ahrtr

[mmorel-35]

/retest

[mmorel-35]

/test pull-etcd-integration-1-cpu-amd64

[mmorel-35]

/test pull-etcd-integration-2-cpu-amd64

[mmorel-35]

/retest

[ivanvc]

/retest

[ivanvc]

LGTM. Thanks, @mmorel-35

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, ivanvc, mmorel-35

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• OWNERS [ahrtr]

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