chore: add json path for pipeline

[paomian]

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

What's changed and what's your intention?

• add json path processor for log pipeline

We use the library https://github.com/besok/jsonpath-rust to implement the JsonLike trait for our Value, which implements the ability to search for a Value via a json path.

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.

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[codecov]

Codecov Report

Attention: Patch coverage is 30.73171% with 284 lines in your changes missing coverage. Please review.

Project coverage is 83.91%. Comparing base (1ff29d8) to head (74e003f).
Report is 14 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4925      +/-   ##
==========================================
- Coverage   84.16%   83.91%   -0.26%     
==========================================
  Files        1137     1139       +2     
  Lines      210022   211101    +1079     
==========================================
+ Hits       176771   177148     +377     
- Misses      33251    33953     +702