Thread local metrics overhaul

[ChrisspyB]

todo:

• Add context to all requests
• Add depth to axes

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 53.03030% with 62 lines in your changes missing coverage. Please review.

Project coverage is 62.05%. Comparing base (65d9010) to head (b00df78).
Report is 6 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/gribjump/Metrics.cc	56.00%	22 Missing ⚠️
src/gribjump/remote/Request.cc	0.00%	18 Missing ⚠️
src/gribjump/remote/GribJumpUser.cc	0.00%	17 Missing ⚠️
src/gribjump/gribjump_c.cc	0.00%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #26      +/-   ##
===========================================
+ Coverage    60.89%   62.05%   +1.16%     
===========================================
  Files           85       85              
  Lines         4429     4420       -9     
  Branches       482      485       +3     
===========================================
+ Hits          2697     2743      +46     
+ Misses        1732     1677      -55     

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