Bump ipython from 8.16.1 to 8.18.1

Bumps [ipython](https://github.com/ipython/ipython) from 8.16.1 to 8.18.1.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](https://github.com/ipython/ipython/commits/8.18.1)

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

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

Author: dependabot[bot]

requirements-dev.txt

@@ -1,2 +1,2 @@
 flake8==6.0.0
-ipython==8.16.1
+ipython==8.18.1