build(deps): bump fastapi from 0.114.2 to 0.115.2 in /server

Bumps [fastapi](https://github.com/fastapi/fastapi) from 0.114.2 to 0.115.2.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.114.2...0.115.2)

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

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

Author: dependabot[bot]

server/poetry.lock

@@ -7,7 +7,7 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.12"
-fastapi = "^0.114.2"
+fastapi = "^0.115.2"
 uvicorn = {version = "^0.31.1", extras = ["standard"]}
 asyncpg = "^0.29.0"
 alembic = "^1.9.2"