Bump scikit-learn from 1.2.2 to 1.4.0

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.2.2 to 1.4.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.2.2...1.4.0)

---
updated-dependencies:
- dependency-name: scikit-learn
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -13,7 +13,7 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python :: 3.10",
 ]
-dependencies = ["click", "scitrack", "numpy ==1.24.4", "cogent3 ==2023.9.22a1", "scikit-learn ==1.2.2"]
+dependencies = ["click", "scitrack", "numpy ==1.24.4", "cogent3 ==2023.9.22a1", "scikit-learn ==1.4.0"]
 keywords = [
   "supertree",
   "phylogeny",