⬆️(deps): Bump sphinx from 8.0.2 to 8.1.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.0.2 to 8.1.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.0.2...v8.1.0)

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

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

docs/requirements.in

@@ -1,2 +1,2 @@
-Sphinx==8.0.2
+Sphinx==8.1.0
 sphinx-press-theme==0.9.1

docs/requirements.txt

@@ -11,11 +11,11 @@ packaging==24.1
 pygments==2.18.0
 requests==2.32.3
 snowballstemmer==2.2.0
-sphinx==8.0.2
+sphinx==8.1.0
 sphinx-press-theme==0.9.1
 sphinxcontrib-applehelp==1.0.8
 sphinxcontrib-devhelp==1.0.6
-sphinxcontrib-htmlhelp==2.0.5
+sphinxcontrib-htmlhelp==2.1.0
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10