Bump fastapi from 0.115.2 to 0.115.4

Bumps [fastapi](https://github.com/fastapi/fastapi) from 0.115.2 to 0.115.4.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.115.2...0.115.4)

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

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

Author: dependabot[bot]

requirements.txt

@@ -16,7 +16,7 @@ structlog==24.4.0
 fastapi-limiter==0.1.6
 fastapi-users-db-sqlalchemy==6.0.1
 fastapi-users[all]==14.0.0
-fastapi==0.115.2
+fastapi==0.115.4
 feedgen==1.0.0
 httpx-oauth==0.15.1
 jinja2==3.1.4