Fix retrieving recent tag in web build

[Warashi]

What this PR does:

as title

Why we need it:

To avoid getting the kubecon special tag.

Which issue(s) this PR fixes:

Follows #5949 #5953 #6059

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[Warashi]

I checked there is no other usage of git describe --tags
https://github.com/search?q=repo%3Apipe-cd%2Fpipecd+--tags&type=code

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.28%. Comparing base (dbb48b4) to head (0be3c34).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6060   +/-   ##
=======================================
  Coverage   28.28%   28.28%           
=======================================
  Files         521      521           
  Lines       56099    56099           
=======================================
  Hits        15868    15868           
  Misses      38982    38982           
  Partials     1249     1249           

Flag	Coverage Δ
.	23.18% <ø> (ø)
.-pkg-app-pipedv1-plugin-kubernetes	65.94% <ø> (ø)
.-pkg-app-pipedv1-plugin-kubernetes_multicluster	67.33% <ø> (ø)
.-pkg-app-pipedv1-plugin-scriptrun	66.66% <ø> (ø)
.-pkg-app-pipedv1-plugin-terraform	38.11% <ø> (ø)
.-pkg-app-pipedv1-plugin-wait	35.51% <ø> (ø)
.-pkg-plugin-sdk	52.03% <ø> (ø)
.-tool-actions-gh-release	19.23% <ø> (ø)
.-tool-actions-plan-preview	25.30% <ø> (ø)
.-tool-codegen-protoc-gen-auth	0.00% <ø> (ø)

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[khanhtc1202]

Nice catch 👌