feat: add ChangePriority method to ProjectController for task priority updates

ServiceHost/Areas/Admin/Controllers/ProgramManager/ProjectController.cs

@@ -165,4 +165,11 @@ public class ProjectController : ProgramManagerBaseController
         var res = await _mediator.Send(command);
         return res;
     }
+    
+    public async Task<ActionResult<OperationResult>> ChangePriority(ChangeTaskPriorityCommand command)
+    {
+        var res = await _mediator.Send(command);
+        return res;
+    }
+    
 }