Upgrade samples to the latest snapshot

Author: rstoyanchev

samples/webflux-security/src/main/resources/graphql/employeesNames.graphql renamed to samples/webflux-security/src/test/resources/graphql-test/employeesNames.graphql

@@ -23,7 +23,7 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
-import org.springframework.graphql.web.WebGraphQlHandlerInterceptor;
+import org.springframework.graphql.server.WebGraphQlInterceptor;
 
 @SpringBootApplication
 public class SampleApplication {
@@ -33,7 +33,7 @@ public static void main(String[] args) {
 	}
 
 	@Bean
-	public WebGraphQlHandlerInterceptor interceptor() {
+	public WebGraphQlInterceptor interceptor() {
 		return (webInput, interceptorChain) -> {
 			// Switch threads to prove ThreadLocal context propagation works
 			return Mono.delay(Duration.ofMillis(10)).flatMap(aLong -> interceptorChain.next(webInput));