Flow telemetry improvements

[norberttech]

Resolves: #2348

Change Log

---

Added

• Telemetry - OTLP Protobuf Models to otlp telemetry bridge
• Telemetry - Added StreamTransport compatible with OTLP FileExporter
• Telemetry - ErrorHandler with few predefined implementations
• Telemetry - a failover mode for network otlp transports that is still async

Fixed

• Telemetry - GRCP truly async
• Telemery - PHPUnit Bridge was by default using passthrough processors which were choking otel collector on larger test suites

Changed

• Telemetry - merged exporters into one contract
• Telemetry - allow to define different exporters for different types of signals
• Telemetry - expose and lower default values for timeouts

Removed

• Telemetry - HttpTransport from otlp telemetry bridge
• Telemetry - open-telemetry/gen-otlp-protobuf dependency from otlp telemetry bridge

Deprecated

Security

[codecov]

Codecov Report

❌ Patch coverage is 89.66038% with 137 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.09%. Comparing base (05c74e8) to head (a85ba4f).
⚠️ Report is 11 commits behind head on 1.x.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##                1.x    #2352      +/-   ##
============================================
+ Coverage     84.85%   85.09%   +0.23%     
- Complexity    19989    20319     +330     
============================================
  Files          1557     1561       +4     
  Lines         58969    59852     +883     
============================================
+ Hits          50040    50930     +890     
+ Misses         8929     8922       -7     

Components	Coverage Δ
etl	90.62% <ø> (+0.84%)	⬆️
cli	85.76% <ø> (ø)
lib-array-dot	94.82% <ø> (ø)
lib-azure-sdk	61.13% <ø> (ø)
lib-doctrine-dbal-bulk	95.16% <ø> (ø)
lib-filesystem	86.51% <ø> (ø)
lib-types	89.38% <ø> (+1.50%)	⬆️
lib-parquet	68.86% <ø> (+0.03%)	⬆️
lib-parquet-viewer	83.04% <ø> (ø)
lib-snappy	90.65% <ø> (+0.93%)	⬆️
lib-dremel	0.00% <ø> (ø)
lib-postgresql	88.98% <ø> (ø)
lib-telemetry	85.97% <ø> (-4.36%)	⬇️
bridge-filesystem-async-aws	92.63% <ø> (ø)
bridge-filesystem-azure	91.48% <ø> (ø)
bridge-monolog-http	98.70% <ø> (ø)
bridge-monolog-telemetry	90.62% <75.00%> (+0.30%)	⬆️
bridge-openapi-specification	91.50% <ø> (ø)
symfony-http-foundation	79.45% <ø> (ø)
bridge-psr18-telemetry	100.00% <ø> (ø)
bridge-psr3-telemetry	97.72% <100.00%> (+0.10%)	⬆️
bridge-psr7-telemetry	100.00% <ø> (ø)
bridge-telemetry-otlp	90.58% <90.90%> (+0.93%)	⬆️
bridge-symfony-http-foundation-telemetry	88.23% <ø> (ø)
bridge-symfony-filesystem-bundle	94.08% <ø> (ø)
bridge-symfony-filesystem-cache	97.93% <ø> (ø)
bridge-symfony-postgresql-bundle	94.01% <ø> (ø)
bridge-symfony-postgresql-cache	93.52% <ø> (ø)
bridge-symfony-postgresql-messenger	99.59% <ø> (ø)
bridge-symfony-postgresql-session	93.46% <ø> (ø)
bridge-symfony-telemetry-bundle	72.37% <89.90%> (+4.25%)	⬆️
adapter-chartjs	84.72% <ø> (ø)
adapter-csv	88.65% <ø> (ø)
adapter-doctrine	92.00% <ø> (ø)
adapter-elasticsearch	92.78% <ø> (ø)
adapter-google-sheet	99.02% <ø> (ø)
adapter-http	67.91% <ø> (ø)
adapter-json	87.61% <ø> (ø)
adapter-logger	47.36% <ø> (ø)
adapter-parquet	82.78% <ø> (ø)
adapter-text	81.25% <ø> (ø)
adapter-xml	82.61% <ø> (ø)
adapter-avro	0.00% <ø> (ø)
adapter-excel	94.02% <ø> (ø)
adapter-postgresql	90.57% <ø> (+0.52%)	⬆️
bridge-phpunit-postgresql	72.97% <ø> (ø)
bridge-phpunit-telemetry	78.13% <86.85%> (+17.80%)	⬆️
bridge-postgresql-valinor	100.00% <ø> (ø)

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[norberttech]

This is not yet 100% done, just wanted to push something.
What I'm working on now, is Transports (effectively Exporters) to check the responses and throw exceptions (now they silently drop the errors)