build(deps): bump pillow from 8.3.0 to 8.3.2 in /model (#23)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.3.0 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@8.3.0...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>

model/requirements.txt

@@ -11,7 +11,7 @@ LunarCalendar==0.0.9
 matplotlib==3.4.2
 numpy==1.21.0
 pandas==1.3.0
-Pillow==8.3.0
+Pillow==8.3.2
 PyMeeus==0.5.11
 pyparsing==2.4.7
 python-dateutil==2.8.1