Bump pillow from 8.0.1 to 9.0.1 in /handling-pdf-files/pdf-ocr

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.0.1 to 9.0.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@8.0.1...9.0.1)

---
updated-dependencies:
- dependency-name: pillow
  dependency-type: direct:production
...

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

Author: dependabot[bot]

handling-pdf-files/pdf-ocr/requirements.txt

@@ -2,6 +2,6 @@ Filetype==1.0.7
 numpy==1.19.4
 opencv-python==4.4.0.46
 pandas==1.1.4
-Pillow==8.0.1
+Pillow==9.0.1
 PyMuPDF==1.18.9 
 pytesseract==0.3.7