Update pillow requirement from ==10.0.* to ==10.2.* in /server

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@10.0.0...10.2.0)

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

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

server/requirements.txt

@@ -20,7 +20,7 @@ matplotlib==3.7.*
 numpy==1.24.*
 orjson==3.9.*
 openpyxl~=3.1.2
-Pillow==10.0.*
+Pillow==10.2.*
 pandas~=1.3.5  # do not update, newer version wants us to use openpyxl instead of xlrd which has different error handling
 pdf2image==1.16.*
 pdfrw==0.4