fix: fix how gRPC transport security is determined

[ToanBarcelona1998]

Description

Checklist

• [ ] Targeted PR against correct branch.
• [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• [ ] Wrote unit tests.
• [ ] Run make format.
• [ ] Run make lint.
• [ ] Updated the documentation.
• [ ] Added an entry to the CHANGELOG.md file.
• [ ] Re-reviewed Files changed in the Github PR explorer and added meaningful comments.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (b8385cc) 76.31% compared to head (4b59220) 77.63%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #201 +/- ## ========================================== + Coverage 76.31% 77.63% +1.31% ========================================== Files 26 26 Lines 684 684 ========================================== + Hits 522 531 +9 + Misses 162 153 -9 ```

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