Update hyperkit driver version from 0.12.4 to 0.12.5

Author: praveenkumar

pkg/crc/preflight/preflight_checks_darwin.go

@@ -24,7 +24,7 @@ const (
 	virtualBoxMountLocation = "/Volumes/VirtualBox"
 
 	hyperkitDriverCommand = "crc-driver-hyperkit"
-	hyperkitDriverVersion = "0.12.4"
+	hyperkitDriverVersion = "0.12.5"
 
 	resolverDir  = "/etc/resolver"
 	resolverFile = "/etc/resolver/testing"