Fix typo in Global, JTA Transaction Management documentation

Typo in sample code for Spring Data GemFire docs.
Under the section Global, JTA Transaction Management, sample code for Peer Cache JavaConfig, has a typo in the form of CacheFacatoryBean.

@Bean
CacheFacatoryBean gemfireCache() {

  CacheFactoryBean gemfireCache = new CacheFactoryBean();

  gemfireCache.setClose(true);
  gemfireCache.setCopyOnRead(true);

  return gemfireCache;
}

CacheFacatoryBean to be read as CacheFactoryBean.