fix(overmind): fix typing of transition

Author: christianalfoni

packages/node_modules/overmind/src/statemachine.ts

@@ -25,7 +25,7 @@ export interface MachineMethods<States extends TState, Events extends TEvents> {
     current: T,
   ): Statemachine<States extends { current: T} ? States : never, Events> | undefined
   transition<T extends Events["type"]>(
-    ...args: Events extends { type: T } ? Events["data"] extends unknown ? [T] : [T, Events["data"]] : never
+    ...args: Events extends { type: T, data: any } ? [T, Events["data"]] : [T]
   ): Statemachine<States extends { current: T} ? States : never, Events> | undefined
 }