feat: add support for tracing tags

[zirain]

xref: #7795

[zirain]

wait #7540

[codecov]

Codecov Report

❌ Patch coverage is 78.78788% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.66%. Comparing base (1e063bb) to head (2f4c7a7).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/xds/translator/tracing.go	69.56%	6 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7828   +/-   ##
=======================================
  Coverage   72.66%   72.66%           
=======================================
  Files         235      235           
  Lines       35032    35053   +21     
=======================================
+ Hits        25457    25473   +16     
- Misses       7759     7763    +4     
- Partials     1816     1817    +1     

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