naming fixes

Author: dwasinge

deployment/templates/secret.yaml

@@ -5,7 +5,7 @@ metadata:
   name: lodestar-artifacts-configuration
 type: Opaque
 stringData:
-  LODESTAR_GITLAB_API_URL: "{{ .Values.api.gitlab }}"
+  GITLAB_API_URL: "{{ .Values.api.gitlab }}"
   DATABASE_SERVICE_NAME: "{{ .Values.db.mongodbServiceName }}"
   MONGODB_USER: "{{ .Values.db.mongodbUser }}"
   MONGODB_PASSWORD: "{{ .Values.db.mongodbPassword }}"