bootstrap: Add perl dep needed by openssl

This is not installed by default on Red Hat, so pull it in bootstrap

See: https://github.com/openssl/openssl/issues/13761
Part-of: <gstreamer/cerbero!863>
13 jobs for !863 with openssl-rh-perl-findbin in 120 minutes and 37 seconds (queued for 1 second)
merge request