Set a minimum version of attrs that supports our use of python 3.11

[silasary]

What type of pull request is this?

• Non-breaking code change
• Breaking code change
• Documentation change/addition
• Tests change
• CI change
• Other: [Replace with a description]

Description

Fixes the bug Wolf found the other day

Changes

Sets a minimum version of attrs to one that contains python-attrs/attrs#969

Checklist

• I've formatted my code with Black
• I've added docstrings to everything I've touched
• I've ensured my code works on Python 3.10.x
• I've ensured my code works on Python 3.11.x
• I've tested my changes
• I've added tests for my code - if applicable
• I've updated the documentation - if applicable

[Wolfhound905]

Please update the poetry files too.

[silasary]

I had to figure out how to use poetry, but done 😛

[Wolfhound905]

👍