[PY] chore: bump botbuilder-python packages and fix for TeamsAttachmentDownloader

[lilyydu]

Linked issues

minor

Details

• bumped botbuilder-python packages to incorporate fixes for TeamsAttachmentDownloader, to match

  1556 (and also for aiohttp package vulnerability fix)

• updated method signature for mock class in corresponding tests

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