T139 Server returns history to client request

src/main/java/com/release11/klaus/controller/EventController.java

@@ -33,7 +33,7 @@ import java.util.UUID;
 public class EventController {
     private final EtrackService service;
 
-    @GetMapping
+    @PostMapping
     public ResponseEntity getHistory(@RequestBody EventRequestDto event){
         return new ResponseEntity(service.getEventsByDateTimeAndBusinessKeys(event), HttpStatus.OK);
     }