Update black[jupyter] requirement from <25 to <26

Updates the requirements on [black[jupyter]](https://github.com/psf/black) to permit the latest version.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@18.3a0...25.1.0)

---
updated-dependencies:
- dependency-name: black[jupyter]
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -125,7 +125,7 @@ optional-dependencies.datasets = [
   "kaggle<1.7",
 ]
 optional-dependencies.develop = [
-  "black[jupyter]<25",
+  "black[jupyter]<26",
   "mypy<1.15",
   "poethepoet<0.33",
   "pyproject-fmt<2.6",