Bump pillow from 6.2.2 to 10.0.1 in /docs

Bumps [pillow](https://github.com/python-pillow/Pillow) from 6.2.2 to 10.0.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@6.2.2...10.0.1)

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

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

docs/requirements.txt

@@ -12,7 +12,7 @@ termcolor
 yacs
 tabulate
 cloudpickle
-Pillow==6.2.2
+Pillow==10.0.1
 future
 requests
 six