⬆ Update pillow requirement from ^9.3.0 to ^10.3.0

Updates the requirements on [pillow](https://github.com/python-pillow/Pillow) to permit the latest version.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@9.3.0...10.3.0)

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

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

requirements-docs.txt

@@ -8,7 +8,7 @@ pyyaml >=5.3.1,<7.0.0
 # For Material for MkDocs, Chinese search
 jieba==0.42.1
 # For image processing by Material for MkDocs
-pillow==10.1.0
+pillow==10.3.0
 # For image processing by Material for MkDocs
 cairosvg==2.7.0
 mkdocstrings[python]==0.23.0