library-api: another fix to how deployment gets the version string

Author: prestoncabe

devbox.json

@@ -25,7 +25,7 @@
       ],
       "get-library-api-version": [
         "cd library-api",
-        "mvn help:evaluate -Dexpression=project.version -q -DforceStdout"
+        "mvn help:evaluate -Dexpression=project.version -q -DforceStdout | xargs"
       ],
       "build-builder-api-ci": [
         "cd builder-api",