make space separated

Author: baileympearson

node/sign_node_package/action.yml

@@ -56,8 +56,7 @@ runs:
       shell: bash
       run: |
         # all prebuilds
-        FILENAMES=$(find build-* -type f -name '*.tar.gz')
-        FILENAMES=$(echo "$FILENAMES")
+        FILENAMES=$(find build-* -type f -name '*.tar.gz' | tr '\n' ' ')
         FILENAMES="$FILENAMES ${{ env.package_file }}"
         echo "FILES_TO_SIGN='$FILENAMES'" | tee $GITHUB_ENV