[Bug Report] PointMaze_Open_DiverseGR not registered

[dtch1997]

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Describe the bug
In gymnasium_robotics.envs.maps there is a map defined:

OPEN_DIVERSE_GR = [
    [1, 1, 1, 1, 1, 1, 1],
    [1, C, C, C, C, C, 1],
    [1, C, C, C, C, C, 1],
    [1, C, C, C, C, C, 1],
    [1, 1, 1, 1, 1, 1, 1],
]

However, the corresponding Gymnasium environment is not registered.

Error message:

gymnasium.error.NameNotFound: Environment `PointMaze_Open_Diverse_GR` doesn't exist. Did you mean: `PointMaze_Open_Diverse_G`?

Code example

import gymnasium as gym

env = gym.make('PointMaze_Open_Diverse_GR') # throws error

System Info
Gymnasium: gymnasium_robotics==1.2.3 installed through pip
System: Ubuntu 20.04

Checklist

• I have checked that there is no similar issue in the repo (required)