⬆️ Bump ipython from 8.19.0 to 8.20.0 (#568)

Bumps [ipython](https://github.com/ipython/ipython) from 8.19.0 to 8.20.0.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@8.19.0...8.20.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

doc/requirements.txt

@@ -3,7 +3,7 @@ entrypoints==0.4
 Pillow==10.2.0
 Sphinx==7.2.6
 furo==2023.9.10
-ipython==8.19.0
+ipython==8.20.0
 netCDF4==1.6.5
 xarray==2024.1.0
 matplotlib==3.8.2