Bump sphinx from 7.3.7 to 8.0.2 in /requirements

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.3.7 to 8.0.2.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.0.2/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.3.7...v8.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements/dev.txt

@@ -130,7 +130,7 @@ six==1.16.0
     # via python-dateutil
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.3.7
+sphinx==8.0.2
     # via
     #   -r docs.in
     #   pallets-sphinx-themes

requirements/docs.txt

@@ -6,13 +6,13 @@
 #
 alabaster==0.7.16
     # via sphinx
-babel==2.9.1
+babel==2.15.0
     # via sphinx
 certifi==2023.7.22
     # via requests
 charset-normalizer==2.0.7
     # via requests
-docutils==0.18.1
+docutils==0.21.2
     # via
     #   sphinx
     #   sphinx-tabs
@@ -24,25 +24,21 @@ jinja2==3.1.4
     # via sphinx
 markupsafe==2.0.1
     # via jinja2
-packaging==21.2
+packaging==24.1
     # via
     #   pallets-sphinx-themes
     #   sphinx
 pallets-sphinx-themes==2.1.3
     # via -r docs.in
-pygments==2.15.0
+pygments==2.18.0
     # via
     #   sphinx
     #   sphinx-tabs
-pyparsing==2.4.7
-    # via packaging
-pytz==2021.3
-    # via babel
 requests==2.32.0
     # via sphinx
-snowballstemmer==2.1.0
+snowballstemmer==2.2.0
     # via sphinx
-sphinx==7.3.7
+sphinx==8.0.2
     # via
     #   -r docs.in
     #   pallets-sphinx-themes