build(deps): bump ocrmypdf from 17.12.1 to 17.13.0 in /pdf - #381

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: microsoft/security-devops-action@08976cb623803b1b36d7112d4ff9f59eae704de0. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/