Fix release upload condition

.gitlab-ci.yml

@@ -43,7 +43,8 @@ deploy:
     - apk add lftp openssh-client
   script:
     - |
-      case build/libs/prob2-jupyter-kernel-*-all.jar in
+      filename="$(echo build/libs/prob2-jupyter-kernel-*-all.jar)"
+      case "${filename}" in
         (*-SNAPSHOT-all.jar)
           # Don't upload SNAPSHOT builds
         ;;