Create config file for Mockery instead of using explicit CLI flags in the Makefile

[jesslourenco]

Which problem is this PR solving?

• Part of Create config for Mockery #5569

Description of the changes

• Created the configuration file (.mockery.yaml) to match what was being done by make generate-mocks
• Removed a few mock files from es/mocks that were defined within the subpackage client. These files are still (auto) generated but within es/client/mocks only

How was this change tested?

• manually by running mockery
• by running make 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: yarn lint and yarn test

[yurishkuro]

please make sure all commits are signed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.19%. Comparing base (d1a5107) to head (5b38c45).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5623      +/-   ##
==========================================
- Coverage   96.20%   96.19%   -0.02%     
==========================================
  Files         327      327              
  Lines       16014    16014              
==========================================
- Hits        15406    15404       -2     
- Misses        432      433       +1     
- Partials      176      177       +1     

Flag	Coverage Δ
badger_v1	8.05% <ø> (ø)
badger_v2	1.93% <ø> (ø)
cassandra-3.x-v1	16.45% <ø> (ø)
cassandra-3.x-v2	1.85% <ø> (ø)
cassandra-4.x-v1	16.45% <ø> (ø)
cassandra-4.x-v2	1.85% <ø> (ø)
elasticsearch-7.x-v1	18.89% <ø> (+0.01%)	⬆️
elasticsearch-8.x-v1	19.07% <ø> (-0.02%)	⬇️
elasticsearch-8.x-v2	19.07% <ø> (-0.02%)	⬇️
grpc_v1	9.48% <ø> (+0.01%)	⬆️
grpc_v2	7.53% <ø> (ø)
kafka	9.77% <ø> (ø)
opensearch-1.x-v1	18.93% <ø> (-0.02%)	⬇️
opensearch-2.x-v1	18.94% <ø> (+0.01%)	⬆️
opensearch-2.x-v2	18.94% <ø> (+0.01%)	⬆️
unittests	94.06% <ø> (-0.02%)	⬇️

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[yurishkuro]

Thanks!