fix(integrations): Update develop docs for PagerDuty setup (#13095)

Refresh the pagerduty dev docs to match latest instructions

Author: leeandher

develop-docs/integrations/pagerduty.mdx

@@ -6,35 +6,28 @@ sidebar_title: PagerDuty
 ## Create a PagerDuty app
 In PagerDuty, go to `https://{YOUR_PAGERDUTY_SUBDOMAIN}.pagerduty.com/developer/applications`.
 
-Select __Create New App__.
+Click on __New App__, and configure the _Info & Functionality_ section as follows:
 
-When configuring the app, use the following values:
+| Setting       | Value                           |
+| ------------- | ------------------------------- |
+| Name          | Sentry                          |
+| Description   | Trigger alerts through Sentry   |
+| Functionality | Events Integration              |
 
-| Setting                                                                                                | Value                                         |
-| ------------------------------------------------------------------------------------------------------ | --------------------------------------------- |
-| App Name                                                                                               | Sentry                                        |
-| Brief Description                                                                                      | Trigger alerts through Sentry                 |
-| Category                                                                                               | Error tracking                                |
-| Do you intend to publish the app for all PagerDuty users and the app ecosystem?                        | No, I am not interested                                |
+Afterward, click __Next__, and configure the _Events Integration_ section as follows:
 
-## Configure the PagerDuty app
-On the resulting configuration page in PagerDuty, under __Functionality > Events Integration__, click on __Add__.
+| Setting                                 | Value                                                |
+| --------------------------------------- | ---------------------------------------------------- |
+| Transform Event Data                    | No                                                   |
+| Send Change Events                      | No                                                   |
+| Simple Install Flow > Redirect URLs     | `{YOUR_SENTRY_DOMAIN}/extensions/pagerduty/setup/`   |
 
-When configuring the events integration, use the following values:
+Next, click __Register App__, to complete the setup, and be redirected to the app registration page.
 
-| Setting                         | Value                                         |
-| ------------------------------- | --------------------------------------------- |
-| Transform Event Data            | No                                            |
-| Change Events                   | No                                            |
-| Redirect URLs                   | `{YOUR_DOMAIN}/extensions/pagerduty/setup/`   |
+Find your newly created app, and copy down the value in the _App ID_ field (e.g. `PV5SD0T`)
 
-At this point, note the __Integration Setup URL__. It should look something like this: `app.pagerduty.com/install/integration?app_id=PV5SD0T&redirect_url={YOUR_DOMAIN}/extensions/pagerduty/setup/&version=2`
-
-Copy the App ID (in this case `PV5SD0T`).
-
-## Enable the integration in Sentry
-
-Add the App ID to your `config.yml` for Sentry:
+## Connect your PagerDuty App to your Sentry instance
+Add the _App ID_ to your `config.yml` for Sentry:
 
 ```yml
 pagerduty.app-id: 'PV5SD0T'