Update scikit-learn requirement from <=1.6.0 to <=1.6.1

Updates the requirements on [scikit-learn](https://github.com/scikit-learn/scikit-learn) to permit the latest version.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@0.1-beta...1.6.1)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -39,7 +39,7 @@ dependencies = [
     "psutil >= 5.4",  # for sentry
     "pybids ~= 0.18.1",
     "pyyaml",
-    "scikit-learn <= 1.6.0",
+    "scikit-learn <= 1.6.1",
     "scipy >= 1.14.0,<= 1.15.0",  # nipype needs networkx, which needs scipy > 1.8.0
     "seaborn",  # for plots
     "sentry-sdk ~= 2.20.0",  # for usage reports