Fix tag selection on cli make target

[electrocucaracha]

Description

This change reduces the number of output displayed by git tag command.

Why is this needed

Some commits (like 9c098c1) contains multiple tags, causing issues during the execution of make cli.

How Has This Been Tested?

$ git clone --depth 1 -b v0.8.0 https://github.com/tinkerbell/tink /tmp/tink
$ cd /tmp/tink
$ make cli

How are existing users impacted? What migration steps/scripts do we need?

NA

Checklist:

I have:

• updated the documentation and/or roadmap (if required)
• added unit or e2e tests
• provided instructions on how to upgrade

[codecov]

Codecov Report

Merging #648 (4978e6b) into main (9c098c1) will increase coverage by 0.24%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #648      +/-   ##
==========================================
+ Coverage   44.84%   45.09%   +0.24%     
==========================================
  Files          62       62              
  Lines        3532     3559      +27     
==========================================
+ Hits         1584     1605      +21     
- Misses       1866     1872       +6     
  Partials       82       82              

Impacted Files	Coverage Δ
pkg/apis/core/v1alpha1/workflow_methods.go	76.27% <0.00%> (+1.27%)	⬆️

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[jacobweinstock]

Great catch, thank you @electrocucaracha!