Correct GitHub link in usage documentation (#836)

Author: lnhsingh

apps/docs/usage/intro.mdx

@@ -42,7 +42,7 @@ You can explore Open SWE's capabilities using our hosted demo at [swe.langchain.
 <Tip>
   Start with the [Web Interface guide](/labs/swe/usage/ui) to understand Open
   SWE's core capabilities, then explore [GitHub
-  Webhooks](/labs/swe/usage/webhook) for automated integration into your
+  Webhooks](/labs/swe/usage/github) for automated integration into your
   development workflow.
 </Tip>