mlr3 1.6.0

• feat: Learner gains a predict_raw flag and Prediction gains a raw field to store the raw prediction object from the upstream model alongside standardized predictions.
• fix: IDs containing % (e.g., from deparse1(substitute(x)) with pipe expressions) now produce a clear error instead of causing cryptic sprintf failures downstream (#1461).
• fix: Learner$predict_newdata() now preserves the target's factor level ordering from training, fixing inverted probabilities for binary classification when the positive class was not the first alphabetical level (#1459).