Fix pull request detection in .gitlab-ci.yml (#3256)
Fix pull request detection in .gitlab-ci.yml (#3256)

* Fix pull request detection on Gitlab CI

* Fix CI_COMMIT_BEFORE_SHA

dashpay/dash,UdjinM6/dash,UdjinM6/dash,UdjinM6/dash,thelazier/dash,thelazier/dash,dashpay/dash,thelazier/dash,dashpay/dash,UdjinM6/dash,dashpay/dash,dashpay/dash,thelazier/dash,thelazier/dash,UdjinM6/dash