feat: Allow for multiple callbacks inside of an ActionCallback

This also results in the conversion being performed when the
ActionCallback is instantiated instead of when it is called, this should
make it easier to catch errors.

automation_lib/src/lib.rs

@@ -1,4 +1,5 @@
 #![allow(incomplete_features)]
+#![feature(iterator_try_collect)]
 
 pub mod action_callback;
 pub mod config;