build(deps): bump pymdown-extensions from 10.19.1 to 10.20 in /docs in the patches group (#3864)

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

Author: dependabot[bot]

docs/requirements.txt

@@ -16,7 +16,7 @@ packaging==25.0
 pathspec==1.0.3
 platformdirs==4.5.1
 Pygments==2.19.2
-pymdown-extensions==10.19.1
+pymdown-extensions==10.20
 python-dateutil==2.9.0.post0
 PyYAML==6.0.3
 pyyaml_env_tag==1.1