fix javaodc in resttemplate oauth class (#19918)

samples/client/petstore/java/resttemplate-withXml/src/main/java/org/openapitools/client/auth/OAuth.java

@@ -37,7 +37,7 @@ public class OAuth implements Authentication {
     /**
      * Sets the bearer access token used for Authorization.
      *
-     * @param bearerToken The bearer token to send in the Authorization header
+     * @param accessToken The bearer token to send in the Authorization header
      */
     public void setAccessToken(String accessToken) {
         setAccessToken(() -> accessToken);