Merge branch 'fix-duplicate-vol-snapshot-name-error' into 'master'

Workaround the issue of having duplicate names for snapshot failing the TF deploy pipelines

See merge request !36

.gitlab-ci.yml

@@ -38,7 +38,7 @@ prep-deploy:
            openstack volume create --snapshot xdmod-dev-volume-snap --size 20 $TF_VAR_data_volume
       elif [ "$TARGET_ENV" = "staging" ]; then
            TF_VAR_data_volume="xdmod-staging-volume-$BUILD_DATE"
-           openstack volume create --snapshot xdmod-staging-volume-snap --size 150 $TF_VAR_data_volume
+           openstack volume create --snapshot xdmod-staging-vol-snapshot --size 150 $TF_VAR_data_volume
       elif [ "$TARGET_ENV" = "production" ]; then
            echo $TARGET_ENV
       else