feat(udf): add get_json_object

[aceforeverd]

get_json_object(json_str, json_path)

• json_str should be a valid JSON
• json_path should follow the JSON string representation from https://datatracker.ietf.org/doc/html/rfc6901

close #1639

[codecov]

Codecov Report

Patch coverage: 86.66% and project coverage change: +0.05% 🎉

Comparison is base (7fd58ae) 75.72% compared to head (19fc1d6) 75.78%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3429      +/-   ##
============================================
+ Coverage     75.72%   75.78%   +0.05%     
  Complexity      414      414              
============================================
  Files           703      703              
  Lines        127256   127658     +402     
  Branches       1206     1206              
============================================
+ Hits          96365    96740     +375     
- Misses        30650    30677      +27     
  Partials        241      241              

Files Changed	Coverage Δ
contrib/simdjson/simdjson.h	86.03% <ø> (+5.15%)	⬆️
hybridse/src/udf/default_defs/json_defs.cc	87.71% <83.33%> (-7.74%)	⬇️
hybridse/src/codegen/udf_ir_builder_test.cc	96.70% <100.00%> (+0.02%)	⬆️
hybridse/src/udf/literal_traits.h	96.59% <100.00%> (+0.01%)	⬆️

... and 11 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.