Merge: Improve GP Fit (#472)

- scipy fit is used for all cases now
- instead, the MLL type is switched based on whether TL is active or not

Reset flag default value (#471)

Reset the default of `allow_recommending_already_recommended` back to
`False`, which was forgotten in #423.

Merge: Release 0.12.0 (#470)

Deactivate polars streaming

pola-rs/polars#20833

Update CHANGELOG.md

Merge: Release 0.11.2 (#401)

Merge: Release 0.11.1 (#388)

Merge: Release 0.11.0 (#376)

Merge: Add workflow permissions

Merge: Remove token from publishing pipelines (#361)