[all] chore(packagemgmt): turn repo to use poetry throughout (#1)

[antoinemzs]

Proposed changes

• Use poetry throughout
• Move to pyproject.toml (remove requirements.txt)
• Adapt CI

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality using different use cases
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality
• For bug fix -> I implemented a test that covers the bug

Further comments

[antoinemzs]

@Kakudou @Megafredo kind bump ☝️