Bump Go version to 1.22.12

[sachinparihar]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

This PR bump Golang to the latest v1.22 release.

Which issue(s) this PR fixes:

Part of #6127

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Karmada now built with Golang v1.22.12.

[karmada-bot]

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

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.10%. Comparing base (c5d640c) to head (61c452d).
Report is 16 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6131      +/-   ##
==========================================
- Coverage   48.12%   48.10%   -0.02%     
==========================================
  Files         668      668              
  Lines       55258    55291      +33     
==========================================
+ Hits        26591    26597       +6     
- Misses      26935    26956      +21     
- Partials     1732     1738       +6     

Flag	Coverage Δ
unittests	48.10% <ø> (-0.02%)	⬇️

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[RainbowMango]

/lgtm

Thank you @sachinparihar ! Looks good to me, I will take care of the failing fake test.

[RainbowMango]

Thanks to @y1hao as well, it was you who made the Go version upgrade so simple.

[sachinparihar]

/lgtm

Thank you @sachinparihar ! Looks good to me, I will take care of the failing fake test.

Thank you @RainbowMango ! I appreciate your review and support. Excited to contribute more!

[RainbowMango]

/retest
fake test:

 [FAILED] Unexpected error:
      <*errors.StatusError | 0xc000a66640>: 
      etcdserver: request timed out
      {
          ErrStatus: {
              TypeMeta: {Kind: "", APIVersion: ""},
              ListMeta: {
                  SelfLink: "",
                  ResourceVersion: "",
                  Continue: "",
                  RemainingItemCount: nil,
              },
              Status: "Failure",
              Message: "etcdserver: request timed out",
              Reason: "",
              Details: nil,
              Code: 500,
          },
      }
  occurred
  In [DeferCleanup (Each)] at: /home/runner/work/karmada/karmada/test/e2e/framework/propagationpolicy.go:46 @ 02/18/25 06:07:45.437

[RainbowMango]

/approve

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

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