update README.md code blocks

Bump pymdown-extensions from 10.12 to 10.14.3 #674

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Triggered via pull request February 24, 2025 08:27

dependabot[bot]

synchronize #251

dependabot/pip/pymdown-extensions-10.14.3

Status Success

Total duration 15s

Artifacts –

update-readme.yml

on: pull_request