deps:(deps-dev): bump sphinx from 5.3.0 to 7.2.6

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 5.3.0 to 7.2.6.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v5.3.0...v7.2.6)

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

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

pyproject.toml

@@ -58,7 +58,7 @@ dev = [
 ]
 tests = ["pytest>=7.1.2", "pytest-cov>=3.0.0", "pytest-instafail>=0.4.2"]
 docs = [
-  "sphinx==5.3.0",
+  "sphinx==7.2.6",
   "furo>=2022.12.7",             # theme
   "sphinx-copybutton>=0.5.1",
   "sphinxext-opengraph>=0.7.3",