Zak

Move realloc to a temporary variable and adding values sometimes gives a segmentation fault.

## Feature Request #### Is your feature request related to a problem? Please describe I have a use case where I want to use the exact logic in [SlotHash.java#partition](https://github.com/lettuce-io/lettuce-core/blob/main/src/main/java/io/lettuce/core/cluster/SlotHash.java#L126), but...