Bump pillow from 10.4.0 to 12.1.1 in /server

Bumps [pillow](https://github.com/python-pillow/Pillow) from 10.4.0 to 12.1.1.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@10.4.0...12.1.1)

---
updated-dependencies:
- dependency-name: pillow
  dependency-version: 12.1.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

server/pyproject.toml

@@ -40,7 +40,7 @@ dependencies = [
     "opentelemetry-exporter-otlp-proto-http==1.37.0",
     "opentelemetry-sdk==1.37.0",
     "parameterized==0.8.1",
-    "pillow==10.4.0",
+    "pillow==12.1.1",
     "protobuf>=4.25.3",
     "pydantic==2.11.1",
     "PyGithub==1.58.2",

server/requirements.txt

@@ -34,7 +34,7 @@ langdetect==1.0.9
 markupsafe==2.1.2
 numpy==2.2.4
 parameterized==0.8.1
-pillow==10.4.0
+pillow==12.1.1
 protobuf>=4.25.3
 pydantic==2.11.1
 PyGithub==1.58.2