5220: Merge back changes of v1.12.2 in main r=dureuill a=dureuill
Co-authored-by: curquiza <curquiza@users.noreply.github.com>
Co-authored-by: Tamo <tamo@meilisearch.com>
Co-authored-by: dureuill <dureuill@users.noreply.github.com>
Co-authored-by: Louis Dureuil <louis@meilisearch.com>
5223: Limit batched tasks total size r=curquiza a=Kerollmops
Introduce a new engine parameter (env and config, too) to limit the maximum payload size processed by the engine in batches. You can [review the Discussion and usage on GitHub](https://github.com/orgs/meilisearch/discussions/801).
Co-authored-by: Clément Renault <clement@meilisearch.com>