Update ipython requirement from ~=8.16.1 to >=8.16.1,<8.19.0

Updates the requirements on [ipython](https://github.com/ipython/ipython) to permit the latest version.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@8.16.1...8.18.1)

---
updated-dependencies:
- dependency-name: ipython
  dependency-version: 8.18.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -42,7 +42,7 @@ dev = [
 # environment from the other dev dependencies.
 docs = [
     "sphinx ~=7.2.6",
-    "ipython ~=8.16.1",
+    "ipython >=8.16.1,<8.19.0",
     "numpydoc ~=1.6.0",
     "sphinx-copybutton ~=0.5.2",
     "sphinx_rtd_theme ~=1.3.0",