`polars-business` became `polars-xdt`

[FBruzzesi]

Link to suggestion

https://github.com/pola-rs/polars-xdt

Targeted section

Python

Describe your suggestion

As polars-business became polars-xdt, the name and the link should be fixed accordingly

Checklist

• checked if your suggestion is not already listed in Awesome Polars list.
• checked if it can fit in an existed section or suggest a new section and explain why your item does not fit into one and what would be the interest of your new section.
• checked when it's a repository if it's maintained (archived repository will be rejected).