Update fastapi requirement from <0.115 to <0.116

Updates the requirements on [fastapi](https://github.com/fastapi/fastapi) to permit the latest version.
- [Release notes](https://github.com/fastapi/fastapi/releases)
- [Commits](fastapi/fastapi@0.1.11...0.115.2)

---
updated-dependencies:
- dependency-name: fastapi
  dependency-type: direct:production
...

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

pyproject.toml

@@ -190,7 +190,7 @@ release-cfr = [
   "pyinstaller<7",
 ]
 service = [
-  "fastapi<0.115",
+  "fastapi<0.116",
   "uvicorn<0.31",
 ]
 test = [