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
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -57,10 +57,10 @@ langdetect==1.0.9
 lxml==4.8.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 msgpack==1.0.3
 numpy==1.22.3; python_version >= '3.8'
-ocrmypdf==13.4.1
+ocrmypdf==13.4.2
 packaging==21.3; python_version >= '3.6'
 pathvalidate==2.5.0
-pdfminer.six==20211012
+pdfminer.six==20220319
 pikepdf==5.1.1
 pillow==9.1.0
 pluggy==1.0.0; python_version >= '3.6'