Bump ocrmypdf from 13.4.1 to 13.4.2

Bump ocrmypdf from 13.4.1 to 13.4.2

Bumps [ocrmypdf](https://github.com/jbarlow83/ocrmypdf) from 13.4.1 to 13.4.2.
- [Release notes](https://github.com/jbarlow83/ocrmypdf/releases)
- [Changelog](https://github.com/ocrmypdf/OCRmyPDF/blob/master/docs/release_notes.rst)
- [Commits](https://github.com/jbarlow83/ocrmypdf/compare/v13.4.1...v13.4.2)

---
updated-dependencies:
- dependency-name: ocrmypdf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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