Where to find QEMU release signing public key?

[Stefan Hajnoczi]

Hi Mike,
CyperCare came on IRC and asked where to find the public key used to
sign QEMU releases.

The website links to the signature files but there is no public key
file on https://download.qemu.org/ or the website that I could find.

Is the public key already published somewhere or could you add it to
the download.qemu.org?

Thanks,
Stefan