MESH-2092 Bump the dependencies group with 2 updates

Bumps the dependencies group with 2 updates: [types-python-dateutil](https://github.com/typeshed-internal/stub_uploader) and [fastapi](https://github.com/fastapi/fastapi).


Updates `types-python-dateutil` from 2.9.0.20260305 to 2.9.0.20260323
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

Updates `fastapi` from 0.135.1 to 0.135.2
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.135.1...0.135.2)

---
updated-dependencies:
- dependency-name: types-python-dateutil
  dependency-version: 2.9.0.20260323
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: fastapi
  dependency-version: 0.135.2
  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 = "0.135.1"
+fastapi = "0.135.2"
 gunicorn = ">=21.2,<26.0"
 uvicorn = ">=0.23.2,<0.43.0"
 mesh-client = ">=4.0.1,<6.0.0"