[nancy/grouille] Fix typo yaml

5 jobs for grouille in 5 minutes and 58 seconds (queued for 1 second)
Status Name Job ID Coverage
  Validate
passed rubocop #961782
grid5000-docker

00:00:37

passed validate-data #961783
grid5000-docker

00:01:45

 
  Generate
passed generate-reference-api #961784
grid5000-docker

00:01:26

 
  Deploy
passed deploy #961785
grid5000-shell

00:00:08

passed rspec #961786
grid5000-docker

00:02:46