Bump numpydoc from 1.3.1 to 1.4.0 (#325)

Bumps [numpydoc](https://github.com/numpy/numpydoc) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/numpy/numpydoc/releases)
- [Changelog](https://github.com/numpy/numpydoc/blob/main/doc/release_notes.rst)
- [Commits](numpy/numpydoc@v1.3.1...v1.4.0)

---
updated-dependencies:
- dependency-name: numpydoc
  dependency-type: direct:development
  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>

pyproject.toml

@@ -22,7 +22,7 @@ sphinx-rtd-theme = "^1.0.0"
 jupyterlab = "^3.4.2"
 nbsphinx = "^0.8.9"
 nbsphinx-link = "^1.3.0"
-numpydoc = "^1.3.1"
+numpydoc = "^1.4.0"
 sphinx-copybutton = "^0.5.0"
 Sphinx = "^5.0.0"
 numpy = "^1.22"