Bump fastapi from 0.110.3 to 0.111.1

Bumps [fastapi](https://github.com/tiangolo/fastapi) from 0.110.3 to 0.111.1.
- [Release notes](https://github.com/tiangolo/fastapi/releases)
- [Commits](fastapi/fastapi@0.110.3...0.111.1)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -22,7 +22,7 @@ pytest-cov = "^5.0.0"
 
 
 [tool.poetry.group.backend.dependencies]
-fastapi = "^0.110.3"
+fastapi = "^0.111.1"
 uvicorn = {extras = ["standard"], version = "^0.29.0"}
 openai = "^1.25.0"
 azure-identity = "^1.16.1"