feat: support InstanceSet PVC ownerReference

[free6om]

fixed #7846

[codecov]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Project coverage is 62.54%. Comparing base (4f74673) to head (1bccd86).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controller/instanceset/instance_util.go	25.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8064      +/-   ##
==========================================
+ Coverage   62.49%   62.54%   +0.04%     
==========================================
  Files         333      333              
  Lines       40569    40551      -18     
==========================================
+ Hits        25354    25362       +8     
+ Misses      12946    12921      -25     
+ Partials     2269     2268       -1     

Flag	Coverage Δ
unittests	62.54% <72.72%> (+0.04%)	⬆️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[free6om]

/cherry-pick release-0.9

[github-actions]

🤖 says: ‼️ cherry pick action failed.
See: https://github.com/apecloud/kubeblocks/actions/runs/10769943128