Bump pillow from 10.3.0 to 12.1.1 in /lib/lambda_layers/print_functions (#155)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.3.0 to 12.1.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.3.0...12.1.1)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.1.1
  dependency-type: direct:production
...

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lib/lambda_layers/print_functions/requirements.txt

@@ -1,3 +1,3 @@
-Pillow==10.3.0
+Pillow==12.1.1
 qrcode==7.3.1
 brother_ql==0.9.4