MESH-2092 Bump fastapi from 0.128.7 to 0.128.8 in the dependencies group

Bumps the dependencies group with 1 update: [fastapi](https://github.com/fastapi/fastapi).


Updates `fastapi` from 0.128.7 to 0.128.8
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.128.7...0.128.8)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-version: 0.128.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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

Author: dependabot[bot]

poetry.lock

@@ -16,7 +16,7 @@ python = ">=3.11,<3.14.0"
 types-python-dateutil = "^2.8.9"
 python-dateutil = "^2.8.2"
 cryptography = ">=44.0.1,<47"
-fastapi = "0.128.7"
+fastapi = "0.128.8"
 gunicorn = ">=21.2,<26.0"
 uvicorn = ">=0.23.2,<0.41.0"
 mesh-client = ">=4.0.1,<6.0.0"