Build with Go patch release 1.19.4

[qingwave]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:

Which issue(s) this PR fixes:
Fixes #2907

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Karmada is now built with Golang 1.19.4.

[karmada-bot]

Welcome @qingwave! It looks like this is your first PR to karmada-io/karmada 🎉

[XiShanYongYe-Chang]

Hi, @qingwave welcome! You can sign off refer to https://github.com/karmada-io/karmada/pull/2908/checks?check_run_id=9931965045

[RainbowMango]

/lgtm
Waiting for DCO.

[codecov-commenter]

Codecov Report

Merging #2908 (1aaa4f1) into master (e6ba531) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2908      +/-   ##
==========================================
+ Coverage   38.24%   38.29%   +0.04%     
==========================================
  Files         204      204              
  Lines       18750    18750              
==========================================
+ Hits         7171     7180       +9     
+ Misses      11151    11144       -7     
+ Partials      428      426       -2     

Flag	Coverage Δ
unittests	38.29% <ø> (+0.04%)	⬆️

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

Impacted Files	Coverage Δ
pkg/search/proxy/store/util.go	94.31% <0.00%> (+1.42%)	⬆️
pkg/search/proxy/store/store.go	68.42% <0.00%> (+3.15%)	⬆️
pkg/util/worker.go	71.42% <0.00%> (+4.76%)	⬆️

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[qingwave]

@XiShanYongYe-Chang @RainbowMango Thank for you review and reminder. Now DCO is done.

[XiShanYongYe-Chang]

/lgtm

[RainbowMango]

/lgtm
/approve

[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

[XiShanYongYe-Chang]

Do we need to cherry-pick it to the release-1.4 branch?

[RainbowMango]

Yes. @qingwave will do that?
https://karmada.io/docs/contributor/cherry-picks
Here is the guideline on how to do that.

[qingwave]

@RainbowMango sure, it's ok for me :)