chore(deps): bump pyarrow from 15.0.2 to 23.0.1 in /server

Bumps [pyarrow](https://github.com/apache/arrow) from 15.0.2 to 23.0.1.
- [Release notes](https://github.com/apache/arrow/releases)
- [Commits](apache/arrow@go/v15.0.2...apache-arrow-23.0.1)

---
updated-dependencies:
- dependency-name: pyarrow
  dependency-version: 23.0.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

server/requirements.txt

@@ -16,7 +16,7 @@ gunicorn[gevent]==22.0.0
 numba==0.60.0
 numpy>=1.24.0,<2.1.0
 pandas>=2.2.2
-pyarrow==15.0.2
+pyarrow==23.0.1
 pydantic==2.9.2
 requests==2.32.3
 scipy==1.14.1