Add tracing attribute for HTTP client tracing

[palourde]

Description

• Add tracing attribute for HTTP client tracing
• Use pagination on Sensu API events endpoint

Related Issue

N/A

Motivation and Context

Add tooling for additional debug of Sensu APIs errors

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-io]

Codecov Report

Merging #720 into master will decrease coverage by 0.01%.
The diff coverage is 14.28%.

@@            Coverage Diff             @@
##           master     #720      +/-   ##
==========================================
- Coverage   21.56%   21.54%   -0.02%     
==========================================
  Files          27       27              
  Lines        2875     2882       +7     
==========================================
+ Hits          620      621       +1     
- Misses       2196     2202       +6     
  Partials       59       59

Impacted Files	Coverage Δ
uchiwa/logger/logger.go	13.18% <0%> (-0.94%)	⬇️
uchiwa/main.go	41.33% <100%> (+0.79%)	⬆️

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