chore: bump platform dependencies

[J05h-L]

🧾 Summary

AB#290284 AB#303986

Updates prototype dependencies

This should close the following dependabot PRs:

• [nuget] Bump Microsoft.Extensions.Options from 10.0.2 to 10.0.3 #3782
• [nuget] Bump Microsoft.NET.Test.Sdk from 18.0.0 to 18.3.0 #3797

✅ Checklist (expand sections as needed)

Code changes

• Code follows project coding standards.
• Code builds clean without any errors or warnings.
• Branch has been rebased onto main.
• Unit and integration tests updated (if applicable).
• All unit/integration tests are executed and passed.
• Tested by running locally.

UX & metadata

• Work items have been linked (use AB#).
• Add relevant labels (e.g., bug, enhancement, documentation, refactor, etc.).

Review & approval

• CI/CD pipeline checks pass.