Make OTLP receiver listen on all IPs again

[yurishkuro]

Which problem is this PR solving?

• Resolves [Bug]: Jaeger v1.59 doesn't accept OpenTelemetry data on ports 4317/4318 #5737

Description of the changes

• Revert [hotrod] Fix connectivity in docker compose #5734
• Default OTLP receiver endpoints to :port instead of relying on OTEL Collector defaults
• Clean up tests to use ephemeral ports when possible

How was this change tested?

• Tested similar to [hotrod] Fix connectivity in docker compose #5734 by using COLLECTOR_OTLP_HTTP_HOST_PORT=:4318

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.84%. Comparing base (eae8e66) to head (a517dc8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5739   +/-   ##
=======================================
  Coverage   96.84%   96.84%           
=======================================
  Files         335      335           
  Lines       16155    16166   +11     
=======================================
+ Hits        15645    15656   +11     
  Misses        340      340           
  Partials      170      170           

Flag	Coverage Δ
badger_v1	8.06% <ø> (ø)
badger_v2	1.90% <ø> (ø)
cassandra-3.x-v1	16.62% <ø> (ø)
cassandra-3.x-v2	1.82% <ø> (ø)
cassandra-4.x-v1	16.62% <ø> (ø)
cassandra-4.x-v2	1.82% <ø> (ø)
elasticsearch-6.x-v1	18.79% <ø> (-0.02%)	⬇️
elasticsearch-7.x-v1	18.86% <ø> (ø)
elasticsearch-8.x-v1	19.05% <ø> (+0.01%)	⬆️
elasticsearch-8.x-v2	1.89% <ø> (ø)
grpc_v1	9.46% <ø> (+0.01%)	⬆️
grpc_v2	7.41% <ø> (ø)
kafka	9.75% <ø> (ø)
opensearch-1.x-v1	18.91% <ø> (ø)
opensearch-2.x-v1	18.91% <ø> (+0.01%)	⬆️
opensearch-2.x-v2	1.89% <ø> (ø)
unittests	95.23% <100.00%> (+<0.01%)	⬆️

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[afzal442]

LGTM!

[jkowall]

LGTM! Thanks for fixing the listening challenges.