Bump pillow from 9.0.0 to 9.0.1

Bumps [pillow](https://github.com/python-pillow/Pillow) from 9.0.0 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](https://github.com/python-pillow/Pillow/compare/9.0.0...9.0.1)

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

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

requirements.txt

@@ -13,7 +13,7 @@ jieba==0.42.1
 jsonpickle==2.0.0
 Markdown==3.3.6
 mysqlclient==2.1.0
-Pillow==9.0.0
+Pillow==9.0.1
 Pygments==2.10.0
 python-logstash==0.4.6
 python-memcached==1.59