[skip ci] update docs

Author: tom2drum

docs/ENVS.md

@@ -891,7 +891,7 @@ If the feature is enabled, a single button or a dropdown (if more than 1 item is
 
 | Variable | Type| Description | Compulsoriness  | Default value | Example value | Version |
 | --- | --- | --- | --- | --- | --- | --- |
-| NEXT_PUBLIC_DEFI_DROPDOWN_ITEMS | `[{ text: string; icon: string; dappId?: string, url?: string }]` | An array of dropdown items containing the button text, icon name and dappId in Dappscout or an external url | - | - | `[{'text':'Swap','icon':'swap','dappId':'uniswap'},{'text':'Payment link','icon':'payment_link','dappId':'peanut-protocol'}]` | v1.31.0+ |
+| NEXT_PUBLIC_DEFI_DROPDOWN_ITEMS | `[{ text: string; icon?: string; dappId?: string, url?: string }]` | An array of dropdown items containing the button text, icon name and dappId in Dappscout or an external url | - | - | `[{'text':'Swap','icon':'swap','dappId':'uniswap'},{'text':'Payment link','icon':'payment_link','dappId':'peanut-protocol'}]` | v1.31.0+ |