Add example of ES/OS server_urls to configs

[yurishkuro]

Which problem is this PR solving?

• Example configs do not show how to configure server addresses
• https://github.com/orgs/jaegertracing/discussions/6548#discussioncomment-11925175

Description of the changes

• Add server address

How was this change tested?

• CI

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.19%. Comparing base (f0b66c7) to head (a9879a3).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6601      +/-   ##
==========================================
- Coverage   96.21%   96.19%   -0.03%     
==========================================
  Files         377      377              
  Lines       21421    21421              
==========================================
- Hits        20611    20606       -5     
- Misses        616      620       +4     
- Partials      194      195       +1     

Flag	Coverage Δ
badger_v1	10.63% <ø> (ø)
badger_v2	2.78% <ø> (ø)
cassandra-4.x-v1-manual	16.64% <ø> (ø)
cassandra-4.x-v2-auto	2.72% <ø> (ø)
cassandra-4.x-v2-manual	2.72% <ø> (ø)
cassandra-5.x-v1-manual	16.64% <ø> (ø)
cassandra-5.x-v2-auto	2.72% <ø> (ø)
cassandra-5.x-v2-manual	2.72% <ø> (ø)
elasticsearch-6.x-v1	20.44% <ø> (+<0.01%)	⬆️
elasticsearch-7.x-v1	20.50% <ø> (ø)
elasticsearch-8.x-v1	20.67% <ø> (ø)
elasticsearch-8.x-v2	2.89% <ø> (+0.11%)	⬆️
grpc_v1	12.20% <ø> (ø)
grpc_v2	9.05% <ø> (ø)
kafka-3.x-v1	10.36% <ø> (ø)
kafka-3.x-v2	2.78% <ø> (ø)
memory_v2	2.78% <ø> (+<0.01%)	⬆️
opensearch-1.x-v1	20.55% <ø> (-0.01%)	⬇️
opensearch-2.x-v1	20.55% <ø> (ø)
opensearch-2.x-v2	2.78% <ø> (+<0.01%)	⬆️
tailsampling-processor	0.51% <ø> (ø)
unittests	95.05% <ø> (-0.03%)	⬇️

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[jkowall]

Looks good to make it easier for users.