Bump pillow from 8.2.0 to 8.3.2 (#1423)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.2.0 to 8.3.2.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst)
- [Commits](python-pillow/Pillow@8.2.0...8.3.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -13,7 +13,7 @@ coverage
 langdetect # for PDF conversions
 # for PDF conversions using OCR
 pytesseract==0.3.7 
-pillow==8.2.0
+pillow==8.3.2
 pdf2image==1.14.0
 sentence-transformers>=0.4.0
 python-multipart