It seems there’s a request for information about an ongoing political matter. However, as of now, there are no credible news reports available about the House GOP taking steps to hold Attorney General Merrick Garland in contempt over subpoenaed Biden audio. This situation might have been misread, or it’s possible that this is an event that has not yet happened. Political news is often updated on a regular basis, so for the most recent information, it would be best to check trustworthy news sources. Please note that it’s crucial to be aware of potential misinformation and always double-check with reliable sources.