stupid syntax error

version.sh

@@ -2,7 +2,7 @@
 set -e
 
 # Check if version is already provided
-if [ -z "${APP_VERSION}"]; then
+if [ -z "${APP_VERSION}" ]; then
   # Get version from user
   read -p "Version [latest]: " VERSIONINPUT
   # If version was not provided, use the latest commit short hash as version