fixed curl typo in .gitlab-ci.yml

2 jobs from master in 13 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #8190
ci
build_job

00:00:09

 
  Deploy
failed #8191
ci
deploy_job

00:00:03

 
Name Stage Failure
failed
deploy_job Deploy

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100    80    0    80    0     0     73      0 --:--:--  0:00:01 --:--:--    73
$ ls
grafonnet.tar.gz
$ pwd
/Users/wriaz/builds/v3ZHM4iy/0/sbilal/abs-grafana/build
$ tar -xzvf grafonnet.tar.gz
tar: Error opening archive: Unrecognized archive format
Cleaning up project directory and file based variables
ERROR: Job failed: exit status 1