Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -155,7 +155,7 @@ nr0q_upload_testing:
     - |
       apk add openssh-client
       eval $(ssh-agent -s)
-      echo $NR0Q_SERVER_KEY" | tr -d '\r' | ssh-add -
+      echo "$NR0Q_SERVER_KEY" | tr -d '\r' | ssh-add -
       mkdir -p ~/.ssh; chmod 700 ~/.ssh
   script:
     - |