Always render json when calling the api

2 jobs for bugs/#8768 in 19 minutes and 12 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #725949
grid5000-docker
test-for-buster

00:09:12

85.24%
 
  Deb
passed #725950
grid5000-docker
deb-for-buster

00:09:59