Bump pillow from 8.2.0 to 8.3.2 (#79)

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] <support@github.com>

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

requirements.txt

@@ -92,7 +92,7 @@ pandas==1.2.4
 paramiko==2.7.2
 partd==1.2.0
 pbr==5.5.1
-Pillow==8.2.0
+Pillow==8.3.2
 pip==21.0.1
 pluggy==0.13.1
 pre-commit==2.12.1