[@xstate/store] Snapshot undo/redo strategy (#5415)

* Add undoRedoSnapshot functionality with transaction grouping and history limit

* Add compare function to undoRedoSnapshot for skipping duplicate snapshots and enhance testing for snapshot history management

* Add strategies + changeset update

* Knip

* send -> trigger

Author: davidkpiano

.changeset/slow-states-repeat.md

@@ -0,0 +1,13 @@
+---
+'@xstate/store': minor
+---
+
+Add snapshot-based undo/redo strategy to `undoRedo(…)`:
+
+```ts
+// Snapshot strategy (faster undo/redo, more memory)
+undoRedo(config, {
+  strategy: 'snapshot',
+  historyLimit: 10
+});
+```