Restore code coverage threshold back to 95%

[varshith257]

Which problem is this PR solving?

• Fixes Bring code coverage back to 95% #5194

Description of the changes

• Updated codecov.yml threshold back to 95%

How was this change tested?

• N/A

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.46%. Comparing base (14cbcea) to head (79a783d).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5457   +/-   ##
=======================================
  Coverage   95.46%   95.46%           
=======================================
  Files         331      331           
  Lines       16112    16112           
=======================================
  Hits        15382    15382           
  Misses        556      556           
  Partials      174      174           

Flag	Coverage Δ
badger_v1	8.08% <ø> (ø)
badger_v2	1.94% <ø> (ø)
cassandra-3.x-v1	16.48% <ø> (ø)
cassandra-3.x-v2	?
cassandra-4.x-v1	16.48% <ø> (ø)
cassandra-4.x-v2	1.86% <ø> (ø)
elasticsearch-7.x	1.78% <ø> (+0.01%)	⬆️
elasticsearch-8.x	1.77% <ø> (-0.02%)	⬇️
grpc_v1	9.10% <ø> (ø)
grpc_v2	7.49% <ø> (ø)
kafka	9.81% <ø> (ø)
opensearch-1.x	1.78% <ø> (+0.01%)	⬆️
opensearch-2.x	1.77% <ø> (-0.02%)	⬇️
unittests	93.98% <ø> (ø)

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[varshith257]

@yurishkuro Can you PTAL at the Cassandra failing test? It's looks weird printing too many logs