Bump pillow from 7.1.0 to 9.3.0 in /qr_generator

Bumps [pillow](https://github.com/python-pillow/Pillow) from 7.1.0 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@7.1.0...9.3.0)

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

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

Author: dependabot[bot]

qr_generator/qr_requirements.txt

@@ -1,3 +1,3 @@
 qrcode==6.1
-Pillow==8.2.0
+Pillow==9.3.0
 fpdf==1.7.2