fix(smartshell): use close event on child processes to ensure exit handling and update dependency versions

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartshell',
-  version: '3.3.2',
+  version: '3.3.6',
   description: 'A library for executing shell commands using promises.'
 }