Allow parts of zip name to be optional

Author: razor-x

lib/zip-name.js

@@ -1,2 +1,4 @@
-export const zipName = (benthos) =>
-  `${benthos.name}_${benthos.version}_${benthos.platform}.zip`
+export const zipName = (benthos) => {
+  const { name, version, platform } = benthos
+  return `${[name, version, platform].filter((x) => !!x).join('_')}.zip`
+}