Generating Token fails with Error [ERR_HTTP2_GOAWAY_SESSION]: New streams cannot be created after receiving a GOAWAY

Node version: 14.x.x
client-oauth2 version: 4.3.3

While generating the client using the below snippet
```
//Creating client
const authClient = new ClientOAuth2({
        clientId: 'clientid',
        clientSecret: 'clientsecrect',
        accessTokenUri: 'url',
        scopes
    });

//Generating Token
authClient.credentials.getToken();
```