chore: add redis-cluster policy tips for limit-count

[okaybase]

Please answer these questions before submitting a pull request, or your PR will get closed.

Why submit this pull request?

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What changes will this PR take into?

Related issues

fix/resolve:
add redis-cluster policy tips for limit-count

Checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

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[codecov-commenter]

Codecov Report

Merging #2058 (b4a18e1) into master (e8503a0) will decrease coverage by 0.96%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #2058      +/-   ##
==========================================
- Coverage   66.11%   65.14%   -0.97%     
==========================================
  Files         121       60      -61     
  Lines        3226     3779     +553     
  Branches      787        0     -787     
==========================================
+ Hits         2133     2462     +329     
+ Misses       1093     1033      -60     
- Partials        0      284     +284     

Flag	Coverage Δ
backend-e2e-test	47.34% <0.00%> (?)
backend-unit-test	52.98% <ø> (?)
frontend-e2e-test	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
api/internal/core/migrate/dataset.go	0.00% <0.00%> (ø)
...components/passive-check/Unhealthy/TcpFailures.tsx
...components/PluginFlow/components/Toolbar/index.tsx
...es/Route/components/DebugViews/DebugParamsView.tsx
...omponents/Upstream/components/UpstreamSelector.tsx
web/src/components/Plugin/UI/limit-count.tsx
...ents/Upstream/components/active-check/HttpPath.tsx
web/src/components/RawDataEditor/RawDataEditor.tsx
web/src/pages/Service/service.ts
...s/Upstream/components/active-check/Concurrency.tsx
... and 172 more

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