Update documentation about helper image being pushed on dockerhub
What does this MR do?
From 15.0 to 15.7 we stopped pushing the helper image in DockerHub. However in the !3847 (merged) MR, we restarted pushing again the helper image on DockerHub. But the documentation doesn't reflect the ongoing status.
Why was this MR needed?
To reflect the current status in the documentation
What's the best way to test this MR?
What are the relevant issue numbers?
Edited by Romuald Atchadé