chore(deps): bump the backend group in /backend with 2 updates (#355)

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

Author: dependabot[bot]

backend/requirements.txt

@@ -1,13 +1,13 @@
 alembic==1.19.1
 asyncpg==0.31.0
 fastapi==0.141.1
-python-dotenv==1.2.2
+python-dotenv==1.2.3
 python-jose[cryptography]==3.5.0
 redis==8.1.0
 requests==2.34.2
 sqlalchemy==2.0.52
 strawberry-graphql[fastapi]==0.324.0
-uvicorn[standard]==0.52.3
+uvicorn[standard]==0.52.4
 influxdb_client==1.50.0
 openpyxl==3.1.5
 tzdata==2026.3