Bump pillow in /NLP/Conversational-Recommendation-BASELINE

Bumps [pillow](https://github.com/python-pillow/Pillow) from 6.2.0 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@6.2.0...9.0.1)

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

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

NLP/Conversational-Recommendation-BASELINE/requirements.txt

@@ -26,7 +26,7 @@ numpy==1.16.1
 objgraph==3.4.1
 opencv-python==4.1.1.26
 paddlepaddle-gpu==1.6.1.post97
-Pillow==6.2.0
+Pillow==9.0.1
 prettytable==0.7.2
 protobuf==3.10.0
 pyglet==1.3.2