Bump pillow from 10.2.0 to 10.3.0 in /docassemble_webapp

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]>

docassemble_webapp/setup.py

@@ -181,7 +181,7 @@ def read(fname):
     "pdfminer.six==20221105",
     "phonenumbers==8.13.27",
     "pikepdf==8.10.1",
-    "Pillow==10.2.0",
+    "Pillow==10.3.0",
     "pkginfo==1.9.6",
     "pluggy==1.3.0",
     "ply==3.11",