WIP - Add retry logic to sidecar trace flushing

[ekump]

NOT READY FOR REVIEW

What does this PR do?

A brief description of the change being made with this pull request.

Motivation

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Additional Notes

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How to test the change?

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 98.61660% with 7 lines in your changes are missing coverage. Please review.

Project coverage is 68.56%. Comparing base (b462829) to head (7049170).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #433      +/-   ##
==========================================
+ Coverage   67.88%   68.56%   +0.68%     
==========================================
  Files         193      193              
  Lines       24643    25086     +443     
==========================================
+ Hits        16728    17201     +473     
+ Misses       7915     7885      -30     

Components	Coverage Δ
crashtracker	19.34% <ø> (ø)
datadog-alloc	98.76% <ø> (ø)
data-pipeline	51.45% <ø> (ø)
data-pipeline-ffi	0.00% <ø> (ø)
ddcommon	85.24% <ø> (ø)
ddcommon-ffi	74.93% <ø> (ø)
ddtelemetry	56.09% <ø> (ø)
ipc	81.69% <ø> (ø)
profiling	77.98% <ø> (ø)
profiling-ffi	60.05% <ø> (ø)
serverless	0.00% <ø> (ø)
sidecar	37.89% <100.00%> (ø)
sidecar-ffi	0.00% <ø> (ø)
spawn-worker	54.98% <ø> (ø)
trace-mini-agent	69.12% <ø> (ø)
trace-normalization	97.79% <ø> (ø)
trace-obfuscation	95.74% <ø> (ø)
trace-protobuf	30.76% <ø> (ø)
trace-utils	90.00% <98.59%> (+10.34%)	:arrow_up:

[datadog-datadog-prod-us1[bot]]

Software Composition Analysis

:white_check_mark: No library vulnerabilities found (compared d37f762 against b462829).

[datadog-datadog-prod-us1[bot]]

Software Composition Analysis

:white_check_mark: No library vulnerabilities found (compared d37f762 against b462829).