chore: inherit cluster labels filter kubeblocks reserved label

[Y-Rookie]

• fix [BUG]Lables are overrided in PODS.  #6706

[codecov]

Codecov Report

Attention: Patch coverage is 93.75000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 66.34%. Comparing base (853e6df) to head (0c12f17).
Report is 5 commits behind head on main.

Files	Patch %	Lines
...lers/apps/transformer_cluster_api_normalization.go	93.75%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6707      +/-   ##
==========================================
- Coverage   66.49%   66.34%   -0.15%     
==========================================
  Files         305      305              
  Lines       36638    36651      +13     
==========================================
- Hits        24361    24317      -44     
- Misses      10182    10225      +43     
- Partials     2095     2109      +14     

Flag	Coverage Δ
unittests	66.34% <93.75%> (-0.15%)	⬇️

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[Y-Rookie]

/cherry-pick release-0.8

[github-actions]

🤖 says: cherry pick action finished successfully 🎉!
See: https://github.com/apecloud/kubeblocks/actions/runs/8090638314