Update nipype requirement from ~=1.8.5 to ~=1.9.1

Updates the requirements on [nipype](https://github.com/nipy/nipype) to permit the latest version.
- [Release notes](https://github.com/nipy/nipype/releases)
- [Changelog](https://github.com/nipy/nipype/blob/master/doc/changes.rst)
- [Commits](nipy/nipype@1.8.5...1.9.1)

---
updated-dependencies:
- dependency-name: nipype
  dependency-type: direct:production
...

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

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
     "networkx <= 3.4.2",  # nipype needs networkx, but 3+ isn't compatible with nipype 1.8.5
     "nibabel >= 3.2.1",
     "nilearn == 0.10.4",  # 0.10.2 raises error with compcor from fMRIPrep 23
-    "nipype ~= 1.8.5",
+    "nipype ~= 1.9.1",
     "nireports ~= 24.0.2",
     "niworkflows == 1.11.0",
     "nitime",  # for DVARS calculation in Nipype