deps(deps-dev): bump pymdown-extensions from 10.16.1 to 10.19.1#12

dependabot[bot] wants to merge 1 commit intomainoff-by-some/fynx:mainfrom

dependabot/pip/pymdown-extensions-10.19.1off-by-some/fynx:dependabot/pip/pymdown-extensions-10.19.1Copy head branch name to clipboard