build(deps): bump category-encoders from 2.6.4 to 2.8.0

Bumps [category-encoders](https://github.com/scikit-learn-contrib/category_encoders) from 2.6.4 to 2.8.0.
- [Release notes](https://github.com/scikit-learn-contrib/category_encoders/releases)
- [Changelog](https://github.com/scikit-learn-contrib/category_encoders/blob/master/CHANGELOG.md)
- [Commits](scikit-learn-contrib/category_encoders@2.6.4...2.8.0)

---
updated-dependencies:
- dependency-name: category-encoders
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-training.txt

@@ -1,4 +1,4 @@
-category-encoders==2.6.4
+category-encoders==2.8.0
 patsy==0.5.6
 statsmodels==0.14.4
 tensorflow==2.18.0