Chore(deps): Bump sphinx from 6.2.1 to 7.2.2 (#877)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 6.2.1 to 7.2.2.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v7.2.2/CHANGES)
- [Commits](sphinx-doc/sphinx@v6.2.1...v7.2.2)

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

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

Author: dependabot[bot]

docs/requirements.in

@@ -1,2 +1,2 @@
-sphinx<7.0.0
+sphinx<8.0.0
 sphinx_rtd_theme

docs/requirements.txt

@@ -34,7 +34,7 @@ requests==2.32.2
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==6.2.1
+sphinx==7.2.2
     # via
     #   -r docs/requirements.in
     #   sphinx-rtd-theme