Update .gitlab-ci.yml

1 job for master in 13 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #215539
pages

00:00:13

 
Name Stage Failure
failed
pages Test
Checking out b65f2f1f as master...

Updating/initializing submodules recursively with git depth set to 50...
Executing "step_script" stage of the job script
Using docker image sha256:6dbb9cc54074106d46d4ccb330f2a40a682d49dda5f4844962b7dce9fe44aaec for alpine:latest with digest docker.io/alpine@sha256:69e70a79f2d41ab5d637de98c1e0b055206ba40a8145e7bddb55ccc04e13cf8f ...
/bin/sh: eval: line 105: syntax error: unexpected "("
$ ssh-add <(echo "$SSH_PRIVATE_KEY_DEV")
Cleaning up file based variables
ERROR: Job failed: exit code 2