Bump pillow from 10.0.1 to 10.2.0 in /docs/source (#190)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.0.1 to 10.2.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.0.1...10.2.0)

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

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docs/source/requirements.txt

@@ -5,7 +5,7 @@ django-treebeard==4.5.1
 faker==8.16.0
 markdown==3.3.7
 ofxtools==0.9.5
-pillow==10.0.1
+pillow==10.2.0
 furo==2022.9.29
 python-dateutil==2.8.2 ; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 six==1.16.0 ; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'