chore(clerk-expo): Export TokenCache type

Author: panteliselef

.changeset/tidy-llamas-matter.md

@@ -0,0 +1,5 @@
+---
+'@clerk/clerk-expo': patch
+---
+
+Export `TokenCache` type.

packages/expo/src/index.ts

@@ -20,3 +20,5 @@ export * from './components';
 
 // Override Clerk React error thrower to show that errors come from @clerk/clerk-expo
 setErrorThrowerOptions({ packageName: PACKAGE_NAME });
+
+export type { TokenCache } from './cache/types';