⬆ 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>

pyproject.toml

@@ -37,7 +37,7 @@ typing_extensions = { version = "^4.8.0", python = "<3.10" }
 pytest = "^7.0.1"
 mypy = "1.4.1"
 mkdocs-material = "9.2.7"
-pillow = "^9.3.0"
+pillow = "^10.3.0"
 cairosvg = "^2.5.2"
 mdx-include = "^1.4.1"
 coverage = {extras = ["toml"], version = ">=6.2,<8.0"}