fix: Pins pytest-asyncio

[saltiyazan]

Description

There is a known pytest-dev/pytest#12269 that happens when pytest-asyncio==0.21.1 is used with pytest>8.2.0. In this PR we pin pytest-asyncio to 0.21.2 so unblock dependabot prs.

Checklist

• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have made corresponding changes to the documentation.
• I have added tests that validate the behaviour of the software.
• I validated that new and existing unit tests pass locally with my changes.
• Any dependent changes have been merged and published in downstream modules.
• I have bumped the version of any required library.