Bump pillow from 10.2.0 to 10.3.0 in /docs/src/doc (#443)

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.2.0 to 10.3.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.2.0...10.3.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JP <[email protected]>

docs/src/doc/requirements.txt

@@ -1,2 +1,2 @@
 mkdocs-material == 9.1.2
-pillow == 10.2.0
+pillow == 10.3.0