Update karmada-apiserve and kube-controller-manager to v1.29.6 by default.

[liangyuanpeng]

What type of PR is this?

/kind cleanup
What this PR does / why we need it:

Update karmada-apiserve and kube-controller-manager to v1.29.6 by default.

Karmada has been using karmada-apiserver v1.28.9 for a month and without any related issues. I think it’s time to upgrade to v1.29 to catch up with the corresponding version of kubernetes deps as soon as possible (currently 0.30)

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

karmada-apiserver and kube-controller-manager is using v1.29.6 by default.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.23%. Comparing base (8859cb9) to head (70cb862).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5209      +/-   ##
==========================================
- Coverage   28.25%   28.23%   -0.03%     
==========================================
  Files         632      632              
  Lines       43722    43722              
==========================================
- Hits        12354    12343      -11     
- Misses      30465    30474       +9     
- Partials      903      905       +2     

Flag	Coverage Δ
unittests	28.23% <100.00%> (-0.03%)	⬇️

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[RainbowMango]

/lgtm
/approve

Thanks.
We can update them to v1.30 in a couple of weeks, so that it follows the dependencies.

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

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