fix(core): Fix ExpoConstantsContext type to use expo_sdk_version

The type definition used 'sdk_version' but the code and tests
use 'expo_sdk_version'. Updated the type to match the actual
field name being used.

Author: cursoragent

packages/core/src/js/integrations/expoconstants.ts

@@ -123,6 +123,6 @@ type ExpoConstantsContext = Partial<{
   app_name: string;
   app_slug: string;
   app_version: string;
-  sdk_version: string;
+  expo_sdk_version: string;
   eas_project_id: string;
 }>;