⬇️ Downgrade pytest to 7.4.4 to match pytest-asyncio requirement

[RafaelWO]

Description

This PR downgrades pytest to 7.4.4 to match pytest-asyncio dependeny (pytest = ">=7.0.0,<8").

Related Issue

See also: pytest-dev/pytest-asyncio#737

Type of Change

• 📚 Examples / docs / tutorials / dependencies update
• 🔧 Bug fix (non-breaking change which fixes an issue)
• 🥂 Improvement (non-breaking change which improves an existing feature)
• 🚀 New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 🔐 Security fix
• 🔖 Release

Checklist

• I've read the CODE_OF_CONDUCT.md document.
• I've read the CONTRIBUTING.md guide.
• I've updated the code style using make codestyle.
• I've written tests for all new methods and classes that I created.
• I've written the docstring in Google format for all the methods and classes that I used.