Bump fastapi from 0.109.1 to 0.109.2 in /backend

Bumps [fastapi](https://github.com/tiangolo/fastapi) from 0.109.1 to 0.109.2.
- [Release notes](https://github.com/tiangolo/fastapi/releases)
- [Commits](fastapi/fastapi@0.109.1...0.109.2)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

backend/requirements-docker.txt

@@ -1,7 +1,7 @@
 ariadne==0.21
 asyncio==3.4.3
 asyncpg==0.29.0
-fastapi==0.109.1
+fastapi==0.109.2
 httpx==0.26.0
 pydantic==2.5.3
 python-multipart==0.0.7

backend/src/requirements_docker.txt

@@ -1,5 +1,5 @@
 ariadne==0.21
-fastapi==0.109.1
+fastapi==0.109.2
 httpx==0.26.0
 psycopg2-binary==2.9.9
 pydantic==2.5.3