Bump sphinx-notfound-page from 1.0.4 to 1.1.0 in /requirements (#2051)

Bumps [sphinx-notfound-page](https://github.com/readthedocs/sphinx-notfound-page) from 1.0.4 to 1.1.0.
- [Changelog](https://github.com/readthedocs/sphinx-notfound-page/blob/main/CHANGELOG.rst)
- [Commits](readthedocs/sphinx-notfound-page@1.0.4...1.1.0)

---
updated-dependencies:
- dependency-name: sphinx-notfound-page
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Muhammed Adedigba <[email protected]>

Author: dependabot[bot]

requirements/requirements_docs.txt

@@ -10,7 +10,7 @@ pyvista==0.44.2
 sphinx==7.4.7
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.18.0
-sphinx-notfound-page==1.0.4
+sphinx-notfound-page==1.1.0
 sphinx-reredirects==0.1.3
 sphinx_design==0.6.1
 sphinxcontrib-napoleon==0.7