Add coverage report

[s-vitaliy]

Part of #61

This PR adds code coverage reports to CI process.

Checklist

• GitHub issue exists for this change.
• Unit tests added and they pass.
• Line Coverage is at least 80%.
• Review requested on latest commit.

[github-actions]

File	Coverage
All files	60%	✅
models/app/StreamContext.scala	0%	❌
services/app/StreamRunnerServiceImpl.scala	0%	❌
services/app/PosixStreamLifetimeService.scala	0%	❌
services/app/logging/Enrichers.scala	0%	❌
services/app/logging/Enrichers.scala	0%	❌
services/app/logging/Enrichers.scala	0%	❌
services/app/logging/base/Enricher.scala	0%	❌
services/lakehouse/IcebergS3CatalogWriter.scala	80%	✅
services/lakehouse/IcebergCatalogCredential.scala	56%	✅
services/lakehouse/SchemaConversions.scala	25%	❌
services/mssql/MsSqlDataProvider.scala	87%	✅
services/mssql/MsSqlDataProvider.scala	82%	✅
services/mssql/MsSqlConnection.scala	75%	✅
services/mssql/MsSqlConnection.scala	64%	✅
services/mssql/query/ScalarQueryResult.scala	66%	✅
services/mssql/query/LazyQueryResult.scala	79%	✅
services/storage/models/amazon/AmazonS3StoragePath.scala	80%	✅
services/streaming/VersionedDataGraphBuilder.scala	66%	✅
services/streaming/BackfillDataGraphBuilder.scala	0%	❌
services/streaming/BackfillGroupingProcessor.scala	0%	❌

Minimum allowed coverage is 40%

Generated by 🐒 cobertura-action against a2f5399