feat: allows users to propagate resources under the Kubernetes reserved namespace.

[chaunceyjiang]

Signed-off-by: chaunceyjiang chaunceyjiang@gmail.com

What type of PR is this?
/kind feature

What this PR does / why we need it:

allows users to propagate resources under the Kubernetes reserved namespace.

Which issue(s) this PR fixes:
Fixes #3369

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

`karmada-controller-manager`: The `--skipped-propagating-namespaces` flags now can take regular expressions to represent namespaces and defaults to `kube-*`.

[chaunceyjiang]

karmada:

member clusters:

Compatible with the original logic.

[codecov-commenter]

Codecov Report

Merging #3433 (587283c) into master (2be4b33) will decrease coverage by 0.01%.
The diff coverage is 50.00%.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@            Coverage Diff             @@
##           master    #3433      +/-   ##
==========================================
- Coverage   51.73%   51.73%   -0.01%     
==========================================
  Files         210      210              
  Lines       18948    18947       -1     
==========================================
- Hits         9803     9802       -1     
  Misses       8602     8602              
  Partials      543      543              

Flag	Coverage Δ
unittests	51.73% <50.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
cmd/controller-manager/app/options/options.go	0.00% <0.00%> (ø)
pkg/util/names/names.go	96.42% <100.00%> (-0.05%)	⬇️

... and 1 file with indirect coverage changes

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[chaunceyjiang]

/cc @RainbowMango What do you think?

[RainbowMango]

/lgtm
/approve
Thanks.

@yizhang-zen I assume you have no further comment :).

By the way, I updated the release note, hope you don't mind.

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [RainbowMango]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment