fix: targetervision compatible without prefix refs/heads or refs/tags

[jomenxiao]

Signed-off-by: jomen.xiao jomenxiao@gmail.com

Fixes: #7906

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I have signed off all my commits as required by DCO

[codecov]

Codecov Report

Merging #7939 (5d92dea) into master (f89d40c) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #7939      +/-   ##
==========================================
- Coverage   41.64%   41.64%   -0.01%     
==========================================
  Files         171      171              
  Lines       22447    22450       +3     
==========================================
+ Hits         9349     9350       +1     
- Misses      11768    11769       +1     
- Partials     1330     1331       +1     

Impacted Files	Coverage Δ
util/webhook/webhook.go	62.17% <100.00%> (+0.59%)	⬆️
util/settings/settings.go	47.60% <0.00%> (-0.25%)	⬇️

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[pasha-codefresh]

LGTM, thank you! You need to do empty commit for restart failed checks

[alexmt]

Thank you for the fix!