I got this error message

==> Fetching aom
==> Downloading https://media.xiph.org/video/derf/y4m/bus_qcif_15fps.y4m

curl: (60) SSL certificate problem: self signed certificate
More details here: https://curl.haxx.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.
Error: php@8.1: Failed to download resource "aom--homebrew-bus_qcif_15fps.y4m"
Download failed: https://media.xiph.org/video/derf/y4m/bus_qcif_15fps.y4m

It looks like the URL has an invalid SSL certificate. I can not install any shivammathur PHP versions atm. Any workarounds?