make hook-delete-policy in helm job configurable

[chaosi-zju]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Could we also make "helm.sh/hook-delete-policy": hook-succeeded configurable in post-install-job.yaml. We want to keep the job pod for debugging issues if post-install job fails

Which issue(s) this PR fixes:

Fixes part of #4368

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

`Helm Chart`: Make hook-delete-policy in helm job configurable.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3482ee8) 51.91% compared to head (9315b02) 51.90%.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4393      +/-   ##
==========================================
- Coverage   51.91%   51.90%   -0.02%     
==========================================
  Files         243      243              
  Lines       24146    24146              
==========================================
- Hits        12536    12532       -4     
- Misses      10928    10931       +3     
- Partials      682      683       +1     

Flag	Coverage Δ
unittests	51.90% <ø> (-0.02%)	⬇️

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[wengyao04]

/lgtm

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/lgtm

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[wengyao04]

Thanks !!

[chaosi-zju]

CC @RainbowMango ready to merge

[RainbowMango]

/lgtm
/approve

[karmada-bot]

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