Update releaser config

Author: XieX

.ldrelease/config.yml

@@ -1,3 +1,5 @@
+version: 2
+
 repo:
   public: react-client-sdk
   private: react-client-sdk-private
@@ -6,8 +8,11 @@ publications:
   - url: https://www.npmjs.com/package/launchdarkly-react-client-sdk
     description: npm
 
-template:
-  name: npm
+jobs:
+  - docker:
+      image: node:16-buster
+    template:
+      name: npm
 
 documentation:
   githubPages: true

src/withLDProvider.test.tsx

@@ -3,7 +3,7 @@ jest.mock('./context', () => ({ Provider: 'Provider' }));
 
 import * as React from 'react';
 import { create } from 'react-test-renderer';
-import { LDFlagChangeset, LDFlagSet, LDOptions, LDUser } from 'launchdarkly-js-client-sdk';
+import { LDFlagChangeset, LDOptions, LDUser } from 'launchdarkly-js-client-sdk';
 import initLDClient from './initLDClient';
 import withLDProvider from './withLDProvider';
 import { EnhancedComponent } from './types';