docs: cal-api-version header example for bookings controller v2 (#18271)

* docs: api v2 cal-api-version header example for bookings controller

* fixup! docs: api v2 cal-api-version header example for bookings controller

apps/api/v2/src/ee/bookings/2024-08-13/controllers/bookings.controller.ts

@@ -5,7 +5,7 @@ import { MarkAbsentBookingOutput_2024_08_13 } from "@/ee/bookings/2024-08-13/out
 import { ReassignBookingOutput_2024_08_13 } from "@/ee/bookings/2024-08-13/outputs/reassign-booking.output";
 import { RescheduleBookingOutput_2024_08_13 } from "@/ee/bookings/2024-08-13/outputs/reschedule-booking.output";
 import { BookingsService_2024_08_13 } from "@/ee/bookings/2024-08-13/services/bookings.service";
-import { VERSION_2024_08_13_VALUE } from "@/lib/api-versions";
+import { VERSION_2024_08_13_VALUE, VERSION_2024_08_13 } from "@/lib/api-versions";
 import { GetUser } from "@/modules/auth/decorators/get-user/get-user.decorator";
 import { Permissions } from "@/modules/auth/decorators/permissions/permissions.decorator";
 import { ApiAuthGuard } from "@/modules/auth/guards/api-auth/api-auth.guard";
@@ -65,6 +65,7 @@ import {
 @ApiHeader({
   name: "cal-api-version",
   description: `Must be set to \`2024-08-13\``,
+  example: VERSION_2024_08_13,
   required: true,
 })
 export class BookingsController_2024_08_13 {