After the installation it is not coming under the post build events

### Jenkins and plugins versions report

Environment

```text
Paste the output here
```

### What Operating System are you using (both controller, and any agents involved in the problem)?

LInux - ubuntu 22.04

### Reproduction steps

nil

### Expected Results

https://github.com/jenkinsci/outbound-webhook-plugin/blob/master/config2.png

### Actual Results

That outbook webhook notification tab is not coming

### Anything else?

nil