Update ipykernel requirement from ~=6.29 to ~=7.2

Updates the requirements on [ipykernel](https://github.com/ipython/ipykernel) to permit the latest version.
- [Release notes](https://github.com/ipython/ipykernel/releases)
- [Changelog](https://github.com/ipython/ipykernel/blob/main/CHANGELOG.md)
- [Commits](ipython/ipykernel@v6.29.0...v7.2.0)

---
updated-dependencies:
- dependency-name: ipykernel
  dependency-version: 7.2.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ requires-python = ">=3.11,<3.14"
 dev = [
     "coverage~=7.6",
     "deptry~=0.21",
-    "ipykernel~=6.29",
+    "ipykernel~=7.2",
     "jupyter~=1.1",
     "mkdocs-material~=9.5",
     "mkdocs-jupyter~=0.25",