Polish "Fix usage of WebClientAdapter in reference documentation"

See gh-31917

Author: snicoll

framework-docs/modules/ROOT/pages/integration/rest-clients.adoc

@@ -907,7 +907,7 @@ For `WebClient`:
 [source,java,indent=0,subs="verbatim,quotes"]
 ----
 WebClient webClient = WebClient.builder().baseUrl("https://api.github.com/").build();
-WebClientAdapter adapter = WebClientAdapter.create(webClient)
+WebClientAdapter adapter = WebClientAdapter.create(webClient);
 HttpServiceProxyFactory factory = HttpServiceProxyFactory.builderFor(adapter).build();
 
 RepositoryService service = factory.createClient(RepositoryService.class);
@@ -1090,7 +1090,7 @@ responses performed through the client:
 .defaultStatusHandler(HttpStatusCode::isError, resp -> ...)
 .build();
 
-WebClientAdapter clientAdapter = WebClientAdapter.forClient(webClient);
+WebClientAdapter clientAdapter = WebClientAdapter.create(webClient);
 HttpServiceProxyFactory factory = HttpServiceProxyFactory
 .builder(clientAdapter).build();
 ----