Feat: sync sdk automatically

[chivalryq]

Description of your changes

1. Sync SDK to https://github.com/kubevela-contrib/kubevela-go-sdk when
   1. SDK generating logic is changed
   2. Any Built-in Definition is changed.
2. Add ToJSON method to application.
3. Modify SDK readme.

I have:

• Read and followed KubeVela's contribution process.
• Run make reviewable to ensure this PR is ready for review.

How has this code been tested

The sync has been tested

Special notes for your reviewer

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +17.31 🎉

Comparison is base (3f53c26) 44.37% compared to head (6c86ba3) 61.69%.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #5630       +/-   ##
===========================================
+ Coverage   44.37%   61.69%   +17.31%     
===========================================
  Files         299      313       +14     
  Lines       46612    48137     +1525     
===========================================
+ Hits        20686    29697     +9011     
+ Misses      23288    15371     -7917     
- Partials     2638     3069      +431     

Flag	Coverage Δ
apiserver-e2etests	35.96% <ø> (+0.11%)	⬆️
apiserver-unittests	36.34% <ø> (+0.01%)	⬆️
core-unittests	55.65% <ø> (?)
e2e-multicluster-test	25.63% <ø> (?)
e2e-rollout-tests	22.01% <ø> (+0.40%)	⬆️
e2etests	27.71% <ø> (+0.53%)	⬆️

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

Impacted Files	Coverage Δ
pkg/apiserver/domain/service/authentication.go	48.25% <0.00%> (-0.59%)	⬇️
pkg/apiserver/event/sync/cache.go	68.00% <0.00%> (ø)
pkg/velaql/providers/query/handler.go	58.08% <0.00%> (ø)
pkg/apiserver/domain/service/velaql.go	55.26% <0.00%> (ø)
pkg/apiserver/domain/model/application.go	86.92% <0.00%> (ø)
pkg/apiserver/domain/service/cloudshell.go	62.58% <0.00%> (ø)
pkg/apiserver/domain/service/definition.go	73.31% <0.00%> (ø)
pkg/apiserver/domain/service/envbinding.go	45.91% <0.00%> (ø)
pkg/apiserver/utils/ui_schema.go
pkg/cmd/factory.go	69.23% <0.00%> (ø)
... and 167 more

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[barnettZQG]

LGTM