Feat: add utility

[Somefive]

1. Add hash.
2. Add CopyInto & FieldPath for jsonutil.
3. Migrate apply client from kubevela main repo.
4. Update patch pkg for main repo use.

[codecov]

Codecov Report

Patch coverage: 93.54% and project coverage change: +0.38 🎉

Comparison is base (c34f8f7) 87.47% compared to head (2a03e98) 87.85%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #88      +/-   ##
==========================================
+ Coverage   87.47%   87.85%   +0.38%     
==========================================
  Files          78       81       +3     
  Lines        3744     3871     +127     
==========================================
+ Hits         3275     3401     +126     
- Misses        354      357       +3     
+ Partials      115      113       -2     

Flag	Coverage Δ
unit-test	87.85% <93.54%> (+0.38%)	⬆️

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

Impacted Files	Coverage Δ
util/hash/hash.go	57.14% <57.14%> (ø)
util/k8s/patch/patch.go	85.91% <83.33%> (+6.18%)	⬆️
util/k8s/apply/client.go	94.11% <94.11%> (ø)
util/jsonutil/convert.go	100.00% <100.00%> (ø)
util/jsonutil/fieldpath.go	100.00% <100.00%> (ø)
util/k8s/object.go	96.20% <100.00%> (ø)

... and 1 file with indirect coverage changes

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