docs: rename data to event in subscribers across docs (#8149)

www/apps/resources/app/architectural-modules/notification/sendgrid/page.mdx

@@ -116,14 +116,14 @@ To test the module out, create a simple subscriber at `src/subscribers/product-c
 
 export const highlights = [
   ["12", "notificationModuleService", "Resolve the Notification Module."],
-  ["17", "create", "Create the notification to be sent."],
+  ["15", "create", "Create the notification to be sent."],
   [
-    "19",
+    "17",
     '"email"',
     "By specifying the `email` channel, SendGrid will be used to send the notification.",
   ],
-  ["20", '"product-created"', "The ID of the template defined in SendGrid."],
-  ["21", "data", "The data to pass to the template defined in SendGrid."],
+  ["18", '"product-created"', "The ID of the template defined in SendGrid."],
+  ["19", "data", "The data to pass to the template defined in SendGrid."],
 ]
 
 ```ts title="src/subscribers/product-created.ts" highlights={highlights} collapsibleLines="1-7" expandButtonLabel="Show Imports"
@@ -135,7 +135,7 @@ import { ModuleRegistrationName } from "@medusajs/utils"
 import { INotificationModuleService } from "@medusajs/types"
 
 export default async function productCreateHandler({
-  data,
+  event: { data },
   container,
 }: SubscriberArgs<{ id: string }>) {
   const notificationModuleService: INotificationModuleService =
@@ -145,7 +145,7 @@ export default async function productCreateHandler({
     to: "test@gmail.com",
     channel: "email",
     template: "product-created",
-    data: data.data,
+    data,
   })
 }