build(deps): bump microsoft-kiota-abstractions in /python-sdk (#275)

Bumps [microsoft-kiota-abstractions](https://github.com/microsoft/kiota) from 0.8.1 to 0.8.4.
- [Release notes](https://github.com/microsoft/kiota/releases)
- [Changelog](https://github.com/microsoft/kiota/blob/main/CHANGELOG.md)
- [Commits](https://github.com/microsoft/kiota/commits)

---
updated-dependencies:
- dependency-name: microsoft-kiota-abstractions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>