Bump pillow from 9.0.0 to 9.3.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.0.0 to 9.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@9.0.0...9.3.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -5,6 +5,6 @@ futures==3.1.1
 idna==2.6
 img2pdf==0.2.4
 olefile==0.44
-Pillow==9.0.0
+Pillow==9.3.0
 requests==2.20.0
 urllib3==1.26.5

setup.py

@@ -24,7 +24,7 @@
           'idna==2.6',
           'img2pdf==0.2.4',
           'olefile==0.44',
-          'Pillow==9.0.0',
+          'Pillow==9.3.0',
           'requests==2.20.0',
           'urllib3==1.26.5'
       ],