Fix: fix the goroutine leak in CUE when use http request

[FogDong]

Signed-off-by: FogDong dongtianxin.tx@alibaba-inc.com

Description of your changes

Fixes #4294

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

Special notes for your reviewer

@wonderflow

[codecov]

Codecov Report

Merging #4298 (559ef83) into master (51a6059) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #4298      +/-   ##
==========================================
- Coverage   60.74%   60.71%   -0.04%     
==========================================
  Files         341      341              
  Lines       33163    33163              
==========================================
- Hits        20144    20134      -10     
- Misses      10393    10400       +7     
- Partials     2626     2629       +3     

Flag	Coverage Δ
apiserver-unittests	34.10% <0.00%> (-0.06%)	⬇️
core-unittests	55.51% <100.00%> (-0.01%)	⬇️
e2e-multicluster-test	20.36% <0.00%> (-0.04%)	⬇️
e2e-rollout-tests	22.41% <0.00%> (+0.05%)	⬆️
e2etests	28.93% <0.00%> (+0.10%)	⬆️

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

Impacted Files	Coverage Δ
pkg/builtin/http/http.go	65.82% <100.00%> (ø)
pkg/addon/registry.go	37.34% <0.00%> (-15.67%)	⬇️
...kg/apiserver/infrastructure/datastore/datastore.go	66.66% <0.00%> (-11.12%)	⬇️
pkg/resourcekeeper/dispatch.go	76.92% <0.00%> (-7.70%)	⬇️
pkg/apiserver/event/sync/cr2ux.go	40.29% <0.00%> (-4.48%)	⬇️
pkg/apiserver/event/sync/worker.go	71.73% <0.00%> (-4.35%)	⬇️
pkg/apiserver/event/sync/store.go	62.00% <0.00%> (-3.00%)	⬇️
...aits/traitdefinition/traitdefinition_controller.go	70.52% <0.00%> (-2.11%)	⬇️
pkg/apiserver/domain/service/authentication.go	49.07% <0.00%> (-1.12%)	⬇️
...dev/v1alpha2/application/application_controller.go	84.66% <0.00%> (-0.93%)	⬇️
... and 10 more

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[github-actions]

Successfully created backport PR #4302 for release-1.2.

[github-actions]

Successfully created backport PR #4303 for release-1.3.

[github-actions]

Successfully created backport PR #4304 for release-1.4.