Bump sqlalchemy from 2.0.48 to 2.0.49

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 2.0.48 to 2.0.49.
- [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: 2.0.49
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/requirements-min.txt

@@ -26,7 +26,7 @@ brotlicffi==1.2.0.1
 httpx[socks,http2,zstd,cli,brotli]==0.28.1
 starsessions[redis]==2.2.1
 
-sqlalchemy==2.0.48
+sqlalchemy==2.0.49
 aiosqlite==0.21.0
 psycopg[binary]==3.2.9
 alembic==1.18.4