[core] createInvoke(…) helper function

[davidkpiano]

const machine = createMachine({
  context: { number: 42 },
  invoke2: createInvoke({
    id: 'double',
    input: ({ context }) => ({
      count: context.number
    }),
    src: fromPromise(async ({ input }: { input: { count: number } }) => {
      return input.count * 2;
    }),
    onDone: {
      actions: ({ context, event }) => {
        context.number satisfies number;
        // @ts-expect-error
        context.number satisfies string;

        event.output satisfies number;
        // @ts-expect-error
        event.output satisfies string;
      }
    }
  })
});

[changeset-bot]

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