Kubernetes plugin supports helm repositories operations

[khanhtc1202]

What this PR does:

as title

Why we need it:

Pipedv0 supports operation with Helm repositories

Which issue(s) this PR fixes:

Part of #5764
Follow #6161

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):

[codecov]

Codecov Report

❌ Patch coverage is 0% with 47 lines in your changes missing coverage. Please review.
✅ Project coverage is 28.57%. Comparing base (3e5bd22) to head (6248ae7).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/app/pipedv1/plugin/kubernetes/provider/helm.go	0.00%	28 Missing ⚠️
pkg/app/pipedv1/plugin/kubernetes/main.go	0.00%	10 Missing ⚠️
pkg/app/pipedv1/plugin/kubernetes/config/plugin.go	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6163      +/-   ##
==========================================
+ Coverage   28.48%   28.57%   +0.08%     
==========================================
  Files         529      535       +6     
  Lines       57021    57283     +262     
==========================================
+ Hits        16243    16367     +124     
- Misses      39515    39644     +129     
- Partials     1263     1272       +9     

Flag	Coverage Δ
.	23.13% <ø> (ø)
.-pkg-app-pipedv1-plugin-analysis	62.85% <ø> (?)
.-pkg-app-pipedv1-plugin-kubernetes	60.91% <0.00%> (-0.68%)	⬇️
.-pkg-app-pipedv1-plugin-kubernetes_multicluster	67.48% <ø> (ø)
.-pkg-app-pipedv1-plugin-scriptrun	54.83% <ø> (?)
.-pkg-app-pipedv1-plugin-terraform	38.31% <ø> (ø)
.-pkg-app-pipedv1-plugin-wait	35.51% <ø> (ø)
.-pkg-app-pipedv1-plugin-waitapproval	68.62% <ø> (ø)
.-pkg-plugin-sdk	50.37% <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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[Warashi]

LGTM