vsock-util: allow VMADDR_CID_ANY as local CID if enabled in hwdb

On Hyper-V guests, `VMADDR_CID_ANY` is valid as per implementation in
kernel driver: net/vmw_vsock/hyperv_transport.c.

Fixes https://github.com/systemd/systemd/issues/42496

Follow-up for 83359c4da0

src/hostname/hostnamed.c

@@ -38,7 +38,6 @@
 #include "parse-util.h"
 #include "path-util.h"
 #include "service-util.h"
-#include "socket-util.h"
 #include "stat-util.h"
 #include "string-util.h"
 #include "strv.h"
@@ -47,6 +46,7 @@
 #include "varlink-io.systemd.service.h"
 #include "varlink-util.h"
 #include "virt.h"
+#include "vsock-util.h"
 
 #define VALID_DEPLOYMENT_CHARS (ALPHANUMERICAL "-.:")