build(deps): bump sphinx-notfound-page from 1.0.4 to 1.1.0 in /_package

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]>

_package/pyproject.toml

@@ -49,7 +49,7 @@ doc = [
     "sphinx-autobuild==2024.10.3",
     "sphinx-autodoc-typehints==2.5.0",
     "sphinx-copybutton==0.5.2",
-    "sphinx-notfound-page==1.0.4",
+    "sphinx-notfound-page==1.1.0",
     "sphinx-gallery==0.18.0",
 ]
 [tool.flit.module]