fix: export Caip* types used in the API

src/api/index.ts

@@ -1,5 +1,6 @@
 export * from './account';
 export * from './balance';
+export * from './caip';
 export * from './export';
 export * from './keyring';
 export * from './request';

src/api/keyring.ts

@@ -1,8 +1,8 @@
 import type { Json } from '@metamask/utils';
 
-import type { CaipAssetType } from '../utils';
 import type { KeyringAccount } from './account';
 import type { Balance } from './balance';
+import type { CaipAssetType } from './caip';
 import type { KeyringAccountData } from './export';
 import type { KeyringRequest } from './request';
 import type { KeyringResponse } from './response';

src/internal/api.ts

@@ -4,13 +4,14 @@ import { array, literal, number, record, string, union } from 'superstruct';
 
 import {
   BalanceStruct,
+  CaipAssetTypeStruct,
   KeyringAccountDataStruct,
   KeyringAccountStruct,
   KeyringRequestStruct,
   KeyringResponseStruct,
 } from '../api';
 import { object } from '../superstruct';
-import { CaipAssetTypeStruct, UuidStruct } from '../utils';
+import { UuidStruct } from '../utils';
 import { KeyringRpcMethod } from './rpc';
 
 const CommonHeader = {

src/utils/index.ts

@@ -1,3 +1,2 @@
-export * from './caip';
 export * from './types';
 export * from './typing';