Bump pillow from 4.2.1 to 9.0.0 in /column

Bumps [pillow](https://github.com/python-pillow/Pillow) from 4.2.1 to 9.0.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@4.2.1...9.0.0)

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

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

column/requirements.txt

@@ -3,7 +3,7 @@ certifi==2017.7.27.1
 chardet==3.0.4
 idna==2.5
 olefile==0.44
-Pillow==4.2.1
+Pillow==9.0.0
 python-dateutil==2.6.1
 requests==2.18.3
 six==1.10.0