build(deps): bump fastapi from 0.104.1 to 0.115.12

Bumps [fastapi](https://github.com/fastapi/fastapi) from 0.104.1 to 0.115.12.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.104.1...0.115.12)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-version: 0.115.12
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -15,7 +15,7 @@ python = ">=3.11,<3.14.0"
 types-python-dateutil = "^2.8.9"
 python-dateutil = "^2.8.2"
 cryptography = ">=42,<44"
-fastapi = ">=0.104.1,<0.116.0"
+fastapi = ">=0.104.1,<0.117.0"
 gunicorn = ">=21.2,<24.0"
 uvicorn = ">=0.23.2,<0.31.0"
 mesh-client = "^4.0.1"