Defined some global variables into CI/CD Variables so that a change in them...

Defined some global variables into CI/CD Variables so that a change in them does not result in new commits

.gitlab-ci.yml

@@ -2,9 +2,9 @@ stages:
   - deploy
 
 variables:
-  OPENSHIFT_SERVER: https://okd-dev.hbp.eu
-  BUILD_ENV: test-build
-  OP: update
+  OPENSHIFT_SERVER: $OPENSHIFT_DEV_SERVER
+  BUILD_ENV: $BUILD_ENV
+  OP: $OPERATION
   #SPACK_ENV_TAR_FILE: ebrains-spack-builds${CI_PIPELINE_ID}.tar.gz
   SPACK_ENV_TAR_FILE: ebrains-spack-builds.tar.gz