fix(deps): update dependency fastapi to ~=0.137.0

Author: renovate[bot]

pyproject.toml

@@ -6,7 +6,7 @@ requires-python = ">=3.10,<3.15"
 readme = "README.md"
 license = { text = "MIT" }
 dependencies = [
-    "fastapi~=0.136.0",
+    "fastapi~=0.137.0",
     "uvicorn[standard]~=0.49.0",
     "promplate[all]~=0.3.5.0",
     "promplate-trace[langfuse,langsmith]==0.3.0.dev7",