Bump pillow

Bumps [pillow](https://github.com/python-pillow/Pillow) from 8.1.1 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@8.1.1...9.0.0)

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

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Author: dependabot[bot]

ch03/myproject_virtualenv/src/django-myproject/requirements/_base.txt

@@ -17,7 +17,7 @@ elasticsearch==7.11.0
 elasticsearch-dsl==7.3.0
 html5lib==1.0.1
 pilkit==2.0
-Pillow==8.1.1
+Pillow==9.0.0
 psycopg2-binary==2.8.3
 pycparser==2.19
 Pyphen==0.9.5