Fix for numpy 1.24.0

Author: Flova

ros2_numpy/point_cloud2.py

@@ -247,7 +247,7 @@ def split_rgb_field(cloud_arr):
             new_cloud_arr[field_name] = cloud_arr[field_name]
     return new_cloud_arr
 
-def get_xyz_points(cloud_array, remove_nans=True, dtype=np.float):
+def get_xyz_points(cloud_array, remove_nans=True, dtype=float):
     '''Pulls out x, y, and z columns from the cloud recordarray, and returns
     a 3xN matrix.
     '''