deps: bump the dev-deps group across 1 directory with 2 updates

Bumps the dev-deps group with 2 updates in the / directory: [mypy](https://github.com/python/mypy) and [ipykernel](https://github.com/ipython/ipykernel).


Updates `mypy` from 1.19.1 to 1.20.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.19.1...v1.20.0)

Updates `ipykernel` from 7.1.0 to 7.2.0
- [Release notes](https://github.com/ipython/ipykernel/releases)
- [Changelog](https://github.com/ipython/ipykernel/blob/main/CHANGELOG.md)
- [Commits](ipython/ipykernel@v7.1.0...v7.2.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.20.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-deps
- dependency-name: ipykernel
  dependency-version: 7.2.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-deps
...

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Author: dependabot[bot]