add debug_session_id column to workflow_runs table, and accept from a… (#3571)

skyvern/schemas/runs.py

@@ -378,6 +378,10 @@ class BlockRunRequest(WorkflowRunRequest):
         # org_id/user_id, or an override supplied by the user
         description="Any active outputs of blocks in a workflow being debugged",
     )
+    debug_session_id: str | None = Field(
+        default=None,
+        description="ID of the debug session to use for this block run",
+    )
 
 
 class ScriptRunResponse(BaseModel):