[grpc][v2] Implement GetOperations Call in gRPC reader for remote storage api v2

[mahadzaryab1]

Which problem is this PR solving?

• Towards Implement GRPC Client For Interacting With Remote Storage #6789

Description of the changes

• This PR implements the GetOperations call in the gRPC tracereader

How was this change tested?

• Added a unit test

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: npm run lint and npm run test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.06%. Comparing base (2ee205b) to head (804bada).
Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6843      +/-   ##
==========================================
- Coverage   96.07%   96.06%   -0.02%     
==========================================
  Files         367      368       +1     
  Lines       20787    20825      +38     
==========================================
+ Hits        19972    20005      +33     
- Misses        622      626       +4     
- Partials      193      194       +1     

Flag	Coverage Δ
badger_v1	9.88% <ø> (+0.07%)	⬆️
badger_v2	2.05% <ø> (+0.07%)	⬆️
cassandra-4.x-v1-manual	14.87% <ø> (+0.06%)	⬆️
cassandra-4.x-v2-auto	2.04% <ø> (+0.07%)	⬆️
cassandra-4.x-v2-manual	2.04% <ø> (+0.07%)	⬆️
cassandra-5.x-v1-manual	14.87% <ø> (+0.06%)	⬆️
cassandra-5.x-v2-auto	2.04% <ø> (+0.07%)	⬆️
cassandra-5.x-v2-manual	2.04% <ø> (+0.07%)	⬆️
elasticsearch-6.x-v1	19.55% <ø> (+0.01%)	⬆️
elasticsearch-7.x-v1	19.62% <ø> (+0.01%)	⬆️
elasticsearch-8.x-v1	19.79% <ø> (+0.01%)	⬆️
elasticsearch-8.x-v2	2.16% <ø> (+0.18%)	⬆️
grpc_v1	10.92% <ø> (+0.06%)	⬆️
grpc_v2	7.98% <ø> (+0.07%)	⬆️
kafka-3.x-v1	10.18% <ø> (+0.07%)	⬆️
kafka-3.x-v2	2.05% <ø> (+0.07%)	⬆️
memory_v2	2.05% <ø> (+0.07%)	⬆️
opensearch-1.x-v1	19.67% <ø> (+0.01%)	⬆️
opensearch-2.x-v1	19.67% <ø> (+0.01%)	⬆️
opensearch-2.x-v2	2.05% <ø> (+0.07%)	⬆️
tailsampling-processor	0.55% <ø> (+0.07%)	⬆️
unittests	94.93% <100.00%> (-0.02%)	⬇️

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