Bump fastapi from 0.103.2 to 0.109.1 in /integration-tests/api

Bumps [fastapi](https://github.com/fastapi/fastapi) from 0.103.2 to 0.109.1.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.103.2...0.109.1)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

integration-tests/api/requirements.txt

@@ -1,3 +1,3 @@
-fastapi==0.103.2
+fastapi==0.109.1
 uvicorn==0.23.2
 python-multipart==0.0.9