NOISSUE - Add pkg tests

[SammyOina]

What type of PR is this?

What does this do?

• New Features

  • Introduced a new field BackendInfo in the configuration for improved clarity in attestation data handling.
  • Added comprehensive unit tests for the gRPC client to ensure various security configurations are validated correctly.

• Bug Fixes

  • Enhanced error handling for configuration reading processes.

• Chores

  • Removed outdated socket server functionality to streamline the codebase.

Which issue(s) does this PR fix/relate to?

• Related Issue #159

Have you included tests for your changes?

Did you document any new/modified feature?

Notes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Please upload report for BASE (main@c69dcd0). Learn more about missing BASE report. Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/clients/grpc/connect.go	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #269 +/- ## ======================================= Coverage ? 18.10% ======================================= Files ? 74 Lines ? 5081 Branches ? 0 ======================================= Hits ? 920 Misses ? 3996 Partials ? 165 ```

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