Make &DEPRECATED treat $vfrom inclusively

The error message says "since blah blah", so it implies the
specified version is included. Also, making the version included
in the commit message makes it easier to specify restrictions,
especially when testing against the language version.

src/core/Deprecations.pm

@@ -59,7 +59,7 @@ sub DEPRECATED($alternative,$from?,$removed?,:$up = 1,:$what,:$file,:$line) {
     my Version $vremoved;
     if $from {
         $vfrom = Version.new($from);
-        return unless $version cmp $vfrom === More;
+        return if $version before $vfrom; # not deprecated yet
     }
     $vremoved = Version.new($removed) if $removed;