fix(deps): update dependency sphinx to v9

Author: renovate[bot]

docs/pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
  "sphinx-sitemap>=2.8.0,<3.0.0",
  "sphinx-scylladb-theme>=1.8.2,<2.0.0",
  "sphinx-multiversion-scylla>=0.3.2,<1.0.0",
- "sphinx>=8.2.3,<9.0.0",
+ "sphinx>=9.0.1,<9.1.0",
  "scales>=1.0.9,<2.0.0",
  "six>=1.9",
  "tornado>=6.5,<7.0",