build(deps): bump pymdown-extensions from 10.21.3 to 11.0 in /docs (#4128)

Author: dependabot[bot]

docs/requirements.txt

@@ -16,7 +16,7 @@ packaging==26.2
 pathspec==1.1.1
 platformdirs==4.10.0
 Pygments==2.20.0
-pymdown-extensions==10.21.3
+pymdown-extensions==11.0
 python-dateutil==2.9.0.post0
 PyYAML==6.0.3
 pyyaml_env_tag==1.1