Allow FastAPI < 1.0.0 in requirements

pyproject.toml

@@ -18,7 +18,7 @@ matplotlib = [
     { version = "^3.5.0", markers = "python_version ~= '3.7'"},
     { version = "^3.6.0", markers = "python_version ~= '3.11.0'"},
 ]
-fastapi = "^0.92"
+fastapi = ">=0.92,<1.0.0"
 fastapi-socketio = "^0.0.10"
 vbuild = "^0.8.1"
 watchfiles = "^0.18.1"