allow setting communication_disabled_until

src/api/routes/guilds/#guild_id/members/#member_id/index.ts

@@ -128,6 +128,11 @@ router.patch(
 			member.roles = body.roles.map((x) => Role.create({ id: x }));
 		}
 
+		if ("communication_disabled_until" in body) {
+			permission.hasThrow("MODERATE_MEMBERS");
+			member.communication_disabled_until = body.communication_disabled_until == null ? null : new Date(body.communication_disabled_until) ;
+		}
+
 		await member.save();
 
 		member.roles = member.roles.filter((x) => x.id !== guild_id);