Merge pull request #347 from dsgnr/dependabot/pip/backend/litestar-2.16.0

[api] Bump litestar from 2.15.2 to 2.16.0 in /backend

Author: dsgnr

backend/poetry.lock

@@ -13,7 +13,7 @@ readme = "../README.md"
 
 [tool.poetry.dependencies]
 python = "^3.12"
-litestar = {extras = ["prometheus"], version = "^2.15.2"}
+litestar = {extras = ["prometheus"], version = "^2.16.0"}
 httpcore = "^1.0.9"
 gunicorn = "23.0.0"
 pydantic = "^2.11.5"