Fix more broken links (#53042)

content/apps/creating-github-apps/registering-a-github-app/using-webhooks-with-github-apps.md

@@ -31,7 +31,7 @@ When you activate webhooks for your {% data variables.product.prodname_github_ap
 
 ### Choosing a webhook URL for development and testing
 
-While you develop and test your app, you can use a webhook payload delivery service like [Smee](https://smee.io/) to capture and forward webhook payloads to your local development environment. Never use Smee for an application in production, because Smee channels are not authenticated or secure. Alternatively, you can use a tool like [ngrok](https://ngrok.com/docs/guides/getting-started/), [localtunnel](https://localtunnel.github.io/www/), or the [Hookdeck Console](https://console.hookdeck.com?provider=github) that exposes your local machine to the internet to receive the payloads.
+While you develop and test your app, you can use a webhook payload delivery service like [Smee](https://smee.io/) to capture and forward webhook payloads to your local development environment. Never use Smee for an application in production, because Smee channels are not authenticated or secure. Alternatively, you can use a tool like [ngrok](https://ngrok.com/docs/guides/developer-preview/getting-started/), [localtunnel](https://localtunnel.github.io/www/), or the [Hookdeck Console](https://console.hookdeck.com?provider=github) that exposes your local machine to the internet to receive the payloads.
 
 #### Creating a webhook URL with Smee
 

content/contributing/writing-for-github-docs/using-yaml-frontmatter.md

@@ -255,7 +255,7 @@ includeGuides:
 
 ### `topics`
 
-* Purpose: Indicate the topics covered by the article. Refer to the content models for more details about adding topics. A full list of existing topics is located in the [allowed topics file](https://github.com/github/docs/blob/main/data/allowed-topics.js). If topics in article frontmatter and the allow-topics list become out of sync, the [topics CI test](https://github.com/github/docs/blob/main/src/search/tests/topics.js) will fail.
+* Purpose: Indicate the topics covered by the article. Refer to the content models for more details about adding topics. A full list of existing topics is located in the [allowed topics file](https://github.com/github/docs/blob/main/data/allowed-topics.js). If topics in article frontmatter and the allow-topics list become out of sync, the [topics CI test](https://github.com/github/docs/blob/main/src/search/tests/topics.ts) will fail.
 * Type: Array of `String`s
 * Optional: Topics are preferred for each article, but, there may be cases where existing articles don't yet have topics, or adding a topic to a new article may not add value.