fix: package types export

Author: CountRedClaw

src/types/external/index.ts

@@ -19,6 +19,7 @@ export * from './config'
 export * from './deprecated'
 export * from './documents'
 export * from './operations'
+export * from './package'
 export * from './references'
 export * from './resolvers'
 export * from './types'