feat: support to set the pod anti-affinity for a shard

[leon-inf]

close #8680

[codecov]

Codecov Report

Attention: Patch coverage is 81.53846% with 12 lines in your changes missing coverage. Please review.

Project coverage is 61.06%. Comparing base (5b0d594) to head (9557c1e).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
controllers/apps/transformer_cluster_component.go	81.53%	9 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8705      +/-   ##
==========================================
- Coverage   61.07%   61.06%   -0.01%     
==========================================
  Files         377      377              
  Lines       45409    45442      +33     
==========================================
+ Hits        27732    27750      +18     
- Misses      15049    15079      +30     
+ Partials     2628     2613      -15     

Flag	Coverage Δ
unittests	61.06% <81.53%> (-0.01%)	⬇️

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[leon-inf]

/cherry-pick release-1.0-beta

[apecloud-bot]

🤖 says: cherry pick action finished successfully 🎉!
See: https://github.com/apecloud/kubeblocks/actions/runs/12498730193