Add conditional traceresponse propagation to Symfony auto-instrumentation

[cedricziel]

Depends on #143

[codecov]

Codecov Report

Merging #146 (980d6bb) into main (ba372ed) will increase coverage by 20.32%.
The diff coverage is n/a.

❗ Current head 980d6bb differs from pull request most recent head 8d18529. Consider uploading reports for the commit 8d18529 to get more accurate results

Additional details and impacted files

@@              Coverage Diff              @@
##               main     #146       +/-   ##
=============================================
+ Coverage     25.88%   46.21%   +20.32%     
+ Complexity      319      181      -138     
=============================================
  Files            33       18       -15     
  Lines          1321      647      -674     
=============================================
- Hits            342      299       -43     
+ Misses          979      348      -631     

Flag	Coverage Δ
7.4	85.42% <ø> (+12.40%)	⬆️
8.0	0.00% <ø> (-30.29%)	⬇️
8.1	46.21% <ø> (+15.84%)	⬆️
8.2	70.85% <ø> (+44.94%)	⬆️

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see 15 files with indirect coverage changes

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[cedricziel]

Needs to be run after open-telemetry/opentelemetry-propagation-traceresponse was created in packagist.

[bobstrecansky]

@cedricziel - are you ready for this to be merged?

[cedricziel]

Yep, let's go @bobstrecansky