docs: update theme 1.9.3

Updates docs theme to 1.9.3.

Author: dgarcia360

docs/pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
   "redirects_cli~=0.1.3",
   "sphinx-autobuild>=2025.0.0,<2026.0.0",
   "sphinx-sitemap>=2.8.0,<3.0.0",
-  "sphinx-scylladb-theme>=1.9.2",
+  "sphinx-scylladb-theme>=1.9.3",
   "sphinx-multiversion-scylla>=0.3.2,<1.0.0",
   "sphinx>=9.0",
   "six>=1.9",