build(deps-dev): bump pymdown-extensions from 10.20.1 to 10.21#200

Paul-B98 merged 1 commit intomainPaul-B98/python-project-template:mainfrom

dependabot/uv/pymdown-extensions-10.21Paul-B98/python-project-template:dependabot/uv/pymdown-extensions-10.21Copy head branch name to clipboard