Bump pillow from 7.0.0 to 9.0.1 in /tutorials

Bumps [pillow](https://github.com/python-pillow/Pillow) from 7.0.0 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@7.0.0...9.0.1)

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

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

Author: dependabot[bot]

tutorials/requirements.txt

@@ -37,7 +37,7 @@ pandocfilters==1.4.2
 parso==0.6.2
 pexpect==4.8.0
 pickleshare==0.7.5
-Pillow==7.0.0
+Pillow==9.0.1
 prometheus-client==0.7.1
 prompt-toolkit==3.0.5
 ptyprocess==0.6.0