The Bug:

Using the "/data" command to set a pet's health to zero doesn't display a death message.

Steps to Reproduce:

1. Summon and cat and tame it using some cod.
2. Use the "/data" command to set the cat's health to zero by using the command provided below.

   /execute as @e[type=minecraft:cat,limit=1,sort=nearest] run data modify entity @s Health set value 0

3. Look at the chat.
4. Take note as to whether or not using the "/data" command to set a pet's health to zero displays a death message.

Observed Behavior:

No death message is displayed.

Expected Behavior:

A death message would be displayed.