Add changes to get dependencies using v3 api

[yashikabadaya]

Which problem is this PR solving?

jaegertracing/jaeger#7595

Description of the changes

This shows the changes needed to add dependencies support to Jaeger API v3.

• Modified jaeger-idl/proto/api_v3/query_service.proto to add a new RPC method for getting dependencies
• Defined request/response messages for the dependencies query, similar to how GetTrace and FindTraces are defined
• Updated the Swagger definition in jaeger-idl/swagger/api_v3/query_service.swagger.json
• Added HTTP endpoint mapping (likely /api/v3/dependencies)

How was this change tested?

• make proto-all executed fine

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits

[yashikabadaya]

Can this pr be considered for hacktoberfest?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (7c7460f) to head (c731f77).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #174   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           11        11           
  Lines          478       422   -56     
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- Hits           478       422   -56     

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