Update sqlalchemy requirement from ~=2.0.47 to ~=2.0.48

Updates the requirements on [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) to permit the latest version.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/main/CHANGES.rst)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits)

---
updated-dependencies:
- dependency-name: sqlalchemy
  dependency-version: 2.0.48
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -20,7 +20,7 @@ pillow~=12.1.1
 snakeviz~=2.2.2
 python-dateutil~=2.9.0
 pydantic~=2.12.5
-sqlalchemy~=2.0.47
+sqlalchemy~=2.0.48
 azure-storage-blob~=12.28.0
 sentry-sdk[flask]~=2.54.0
 python-dotenv~=1.2.2