docs: replace non-inclusive terms in ua-restriction plugin doc

docs/en/latest/plugins/ua-restriction.md

@@ -30,7 +30,7 @@ description: This document contains information about the Apache APISIX ua-restr
 
 The `ua-restriction` Plugin allows you to restrict access to a Route or Service based on the `User-Agent` header with an `allowlist` and a `denylist`.
 
-A common scenario is to set crawler rules. `User-Agent` is the identity of the client when sending requests to the server, and the user can whitelist or blacklist some crawler request headers in the `ua-restriction` Plugin.
+A common scenario is to set crawler rules. `User-Agent` is the identity of the client when sending requests to the server, and the user can allow or deny some crawler request headers in the `ua-restriction` Plugin.
 
 ## Attributes