Fix typo in action docs (#2688)

Author: louy

website/src/pages/docs/products/action.mdx

@@ -147,7 +147,7 @@ Must be used with the `rules` input. Required to apply the custom logic for the
   with:
     schema: 'master:schema.graphql'
     rules: |
-      considerusage
+      considerUsage
     onUsage: check-usage.js
 ```