bootstrap: Fedora does not have python3.12 anymore

Latest Fedora, 41 and 42, has python3.13 installed
by default, just use python3 to allow use default
version.

Signed-off-by: Kyr Shatskyy <kyrylo.shatskyy@clyso.com>

Author: Kyr Shatskyy

bootstrap

@@ -57,7 +57,6 @@ Linux)
         deps=($PYTHON-pip $PYTHON-devel libev-devel libvirt-devel libffi-devel)
         ;;
     Fedora|FedoraLinux)
-        PYTHON=python3.12
         deps=($PYTHON-pip $PYTHON-devel libev-devel libvirt-devel libffi-devel)
         ;;
     "openSUSE project"|"SUSE LINUX"|"openSUSE"|"openSUSELeap"|"openSUSETumbleweed")