Bump pillow from 6.2.2 to 9.0.1

Bumps [pillow](https://github.com/python-pillow/Pillow) from 6.2.2 to 9.0.1.
- [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...9.0.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ idna==2.8
 imutils==0.5.3
 numpy==1.17.4
 opencv-python==4.1.1.26
-Pillow==6.2.2
+Pillow==9.0.1
 requests==2.22.0
 urllib3==1.25.7
 flask==2.0.3

setup.py

@@ -28,7 +28,7 @@
         'imutils==0.5.3',
         'numpy==1.17.4',
         'opencv-python==4.1.1.26',
-        'Pillow==6.2.2',
+        'Pillow==9.0.1',
         'requests==2.22.0',
         'urllib3==1.25.7'
     ],