Bump ipython from 8.33.0 to 9.0.1

Bumps [ipython](https://github.com/ipython/ipython) from 8.33.0 to 9.0.1.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@8.33.0...9.0.1)

---
updated-dependencies:
- dependency-name: ipython
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

doc/requirements.txt

@@ -3,7 +3,7 @@ entrypoints==0.4
 Pillow==11.1.0
 Sphinx==8.2.3
 furo==2024.8.6
-ipython==8.33.0
+ipython==9.0.1
 netCDF4==1.7.2
 xarray==2025.1.2
 matplotlib==3.10.1