refactor(backend): move notifications update endpoint to monitors route and handle security feedback

server/src/validation/notificationValidation.ts

@@ -77,7 +77,7 @@ export const sendTestEmailBodyValidation = z.object({
 	systemEmailTLSServername: z.union([z.string(), z.literal("")]).optional(),
 });
 
-export const bulkEditNotificationBodyValidation = z.object({
+export const updateNotificationsValidation = z.object({
 	monitorIds: z.array(z.string()).min(1, "At least one monitor ID is required"),
 	notificationIds: z.array(z.string()),
 	action: z.enum(["add", "remove", "set"] as const),