update-crypto-policies: Set a new redhat system-wide crypto policy.

[hoodedvul]

Take into account the main readme for this section. README first.

Also see: crypto-policies(7) - system-wide crypto policies overview.

$ sudo update-crypto-policies --set FUTURE
Setting system policy to FUTURE
Note: System-wide crypto policies are applied on application start-up.
It is recommended to restart the system for the change of policies
to fully take place.