Custom list rules limit

### Prerequisites

- [*] I am running the latest version 4.4.4 965
- [*] I checked the documentation and found no answer
- [*] I checked to make sure that this issue has not already been filed

### Problem Description

Using many malware lists from https://gitlab.com/malware-filter causes custom list to reach the limit of 150000

### Proposed Solution

There are many unused slots in other categories that can be used

### Alternatives Considered

### Additional Information