Fix log statement in aruco_tag_locator.py pt2

Author: hello-binit

ros2/example_12.md

@@ -408,7 +408,7 @@ try:
     transform = self.tf_buffer.lookup_transform('base_link',
                                                 tag_name,
                                                 now)
-    self.get_logger().info("Found Requested Tag: \n%s", transform)
+    self.get_logger().info(f"Found Requested Tag: \n{transform}")
     self.transform_pub.publish(transform)
     return transform
 except TransformException as ex: