ci: updated before_script in k8s deploy

.gitlab-ci.elife.k8s.yml

@@ -44,6 +44,7 @@ deploy:
     AWS_DEFAULT_REGION: $ELIFE_AWS_DEFAULT_REGION
     ELIFE_CLUSTER_NAME: eks-elife-kotahi
   before_script:
+     - mkdir ~/.kube && touch ~/.kube/config
      - echo "${ELIFE_K8S_CLUSTER_CONFIG}" >> ~/.kube/config
   script:
       - |