Add OTLP JSON support for Kafka e2e Integration tests

[joeyyy09]

Which problem is this PR solving?

• This PR addresses the issue of verifying Kafka e2e integration tests for otlp_json formats.

Description of the changes

• Verified if the Kafka e2e integration tests run for otlp_json formats.
• Used a fork of mine (github.com/joeyyy09/opentelemetry-collector-contrib) to incorporate necessary changes and verify the process.

How was this change tested?

• Ran the Kafka e2e integration tests locally using the modified configuration.

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• [] I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: yarn lint and yarn test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.78%. Comparing base (8d1a955) to head (dbb0f77).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5935   +/-   ##
=======================================
  Coverage   96.78%   96.78%           
=======================================
  Files         348      348           
  Lines       16559    16559           
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  Hits        16027    16027           
  Misses        343      343           
  Partials      189      189           

Flag	Coverage Δ
badger_v1	8.02% <ø> (ø)
badger_v2	1.82% <ø> (ø)
cassandra-4.x-v1	16.61% <ø> (ø)
cassandra-4.x-v2	1.75% <ø> (ø)
cassandra-5.x-v1	16.61% <ø> (ø)
cassandra-5.x-v2	1.75% <ø> (ø)
elasticsearch-6.x-v1	18.78% <ø> (ø)
elasticsearch-7.x-v1	18.84% <ø> (ø)
elasticsearch-8.x-v1	19.04% <ø> (ø)
elasticsearch-8.x-v2	1.81% <ø> (-0.02%)	⬇️
grpc_v1	9.52% <ø> (ø)
grpc_v2	7.15% <ø> (ø)
kafka-v1	9.74% <ø> (ø)
kafka-v2	?
memory_v2	1.82% <ø> (+0.01%)	⬆️
opensearch-1.x-v1	18.88% <ø> (ø)
opensearch-2.x-v1	18.88% <ø> (-0.02%)	⬇️
opensearch-2.x-v2	1.82% <ø> (ø)
tailsampling-processor	0.46% <ø> (ø)
unittests	95.27% <ø> (ø)

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[yurishkuro]

please link to OTEL PR

[joeyyy09]

will be good to go after the next release of otel-collector-contrib