Update fastapi requirement from ~=0.111.1 to ~=0.112.0

Updates the requirements on [fastapi](https://github.com/fastapi/fastapi) to permit the latest version.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.111.1...0.112.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-fastapi~=0.111.1
+fastapi~=0.112.0
 pydantic>=2.7.0,<3.0.0
 pydantic-settings~=2.4.0
 jinja2~=3.1.4