Mise à jour changelog pour beta4

Change-Id: I56a80d2058c10f642efd322e06cfeaa40888e071
3 jobs for develop in 8 minutes and 36 seconds (queued for 1 second)
Status Job ID Name Coverage
  Pre Build
passed #38383
get-version

00:00:31

 
  Test
passed #38384
test-app

00:03:29

 
  Build
passed #38385
build-app

00:04:35