fix in docs

Author: Narek Mkhitaryan

src/superannotate/lib/app/interface/sdk_interface.py

@@ -2555,7 +2555,7 @@ def set_project_steps(
 
         :param connections: Defines connections between keypoint annotation steps.
             Each inner list specifies a pair of step IDs indicating a connection.
-        :type connections: list of dicts
+        :type connections: list of list
 
         Request Example for General Annotation Project:
         ::