Not only is that not happening, it is currently illegal for the mint to do so.

You may have seen the headline recently where Sec. Bessent held up a mockup of a bill printed out on a regular sheet of letter paper[0], and there's bill circulating to change the law, but it will not pass[1].

0: https://ichef.bbci.co.uk/news/1536/cpsprodpb/97ed/live/f6126...

1: https://www.congress.gov/bill/119th-congress/house-bill/1761

Where my recollection came from:

https://www.pbs.org/newshour/politics/u-s-mint-produces-a-1-...