Update scikit-image requirement from <0.23,>=0.17.2 to >=0.17.2,<0.26

Updates the requirements on [scikit-image](https://github.com/scikit-image/scikit-image) to permit the latest version.
- [Release notes](https://github.com/scikit-image/scikit-image/releases)
- [Changelog](https://github.com/scikit-image/scikit-image/blob/main/RELEASE.txt)
- [Commits](scikit-image/scikit-image@v0.17.2...v0.25.0)

---
updated-dependencies:
- dependency-name: scikit-image
  dependency-type: direct:production
...

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

setup.py

@@ -51,7 +51,7 @@ def readme():
               'scikit-learn>=1.0.0, <2.0.0',
               'spacy[lookups]>=2.0.0, <3.8.0',  # later versions depend on `numpy<3.0.0,>=2.0.0`
               'blis<0.8.0',  # Windows memory issues https://github.com/explosion/thinc/issues/771
-              'scikit-image>=0.17.2, <0.23',  # introduced `start_label` argument for `slic`
+              'scikit-image>=0.17.2, <0.26',  # introduced `start_label` argument for `slic`
               'requests>=2.21.0, <3.0.0',
               'Pillow>=5.4.1, <11.0',
               'attrs>=19.2.0, <24.0.0',