[C#] fix: Failing sample builds

[singhk97]

Linked issues

closes: #minor (issue number)

Details

Due to dependency mismatches between the sample project and Microsoft.Teams.AI's internal dependencies the sample build was failing.

Change details

• Updated all botbuilder dependencies to the latest working version.
• Added missing appsettings.json and appsettings.Development.json file to the azure openai sample.

code snippets:

screenshots:

Attestation Checklist

• [x] My code follows the style guidelines of this project

• I have checked for/fixed spelling, linting, and other errors

• I have commented my code for clarity

• I have made corresponding changes to the documentation (updating the doc strings in the code is sufficient)

• My changes generate no new warnings

• I have added tests that validates my changes, and provides sufficient test coverage. I have tested with:

  • Local testing
  • E2E testing in Teams

• New and existing unit tests pass locally with my changes