Bump sklearn version in nursery subpackages (#3120)

*Issue #, if available:* Dependabot alerts
- https://github.com/awslabs/gluonts/security/dependabot/13
- https://github.com/awslabs/gluonts/security/dependabot/14
- https://github.com/awslabs/gluonts/security/dependabot/15

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**Please tag this pr with at least one of these labels to make our
release process faster:** BREAKING, new feature, bug fix, other change,
dev setup

src/gluonts/nursery/daf/requirements.txt

@@ -2,6 +2,6 @@ torch==1.13.1
 tensorboard==2.3.0
 numpy==1.22.0
 pandas==1.1.5
-scikit-learn==1.0.1
+scikit-learn~=1.4.0
 scipy==1.10.0
 matplotlib==3.3.2

src/gluonts/nursery/few_shot_prediction/pyproject.toml

@@ -17,7 +17,7 @@ pandas = "^1.3.1"
 python = "^3.8,<3.10"
 pytorch-lightning = "^1.4.4"
 sagemaker = "^2.40.0,<2.41.0"
-scikit-learn = "^0.24.2"
+scikit-learn = "^1.4.0"
 torch = "^1.9.0"
 sagemaker-training = "^3.9.2"
 python-dotenv = "^0.19.0"

src/gluonts/nursery/tsbench/pyproject.toml

@@ -32,7 +32,7 @@ pytorch-lightning = "^1.5.0"
 rpy2 = ">=2.9.*,<3.*"
 sagemaker = "^2.40.0"
 sagemaker-training = "^3.9.2"
-scikit-learn = "^0.24.2"
+scikit-learn = "^1.4.0"
 scipy = "^1.6.3"
 seaborn = "^0.11.2"
 statsmodels = "^0.13.0"