feat: Enable distributed tracing in greptimedb

[Taylor-lagrange]

I hereby agree to the terms of the GreptimeDB CLA

What's changed and what's your intention?

Enable distributed tracing in greptimedb

Please explain IN DETAIL what the changes are in this PR and why they are needed:

1. Updated grpc proto for communication between frontend,meta,datanodes, adding tracing_context to rpc request header, enable distributed tracing in frontend,meta,datanodes.
2. Use otlp as exporter protocol, which can support distributed tracing backend like jaeger, tempo.....
3. add config enable_otlp_tracing, otlp_endpoint to logging config, enable user to export tracing to distributed tracing backend.
4. instrument span on sql dispose logical, enable sql execute time consuming observations

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.

Refer to a related PR or issue link (optional)

GreptimeTeam/greptime-proto#120

[codecov]

Codecov Report

Merging #2755 (96a019a) into develop (06327fb) will decrease coverage by 0.37%.
The diff coverage is 75.15%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2755      +/-   ##
===========================================
- Coverage    85.38%   85.02%   -0.37%     
===========================================
  Files          774      774              
  Lines       125959   125375     -584     
===========================================
- Hits        107552   106601     -951     
- Misses       18407    18774     +367     

[shuiyisong]

FGTM 🚀