samples: Auto-update dependencies. (#947)

* Auto-update dependencies.
* Updated dlp-samples.

Author: dpebot

dlp/snippets/snippets/src/main/java/com/example/dlp/Redact.java

@@ -78,9 +78,13 @@ private static void redactString(
         }
       }
 
-      RedactContentResponse contentResponse =
-          dlpClient.redactContent(
-              inspectConfig, Collections.singletonList(contentItem), replaceConfigs);
+      RedactContentRequest request = RedactContentRequest.newBuilder()
+          .setInspectConfig(inspectConfig)
+          .addAllItems(Collections.singletonList(contentItem))
+          .addAllReplaceConfigs(replaceConfigs)
+          .build();
+
+      RedactContentResponse contentResponse = dlpClient.redactContent(request);
       for (ContentItem responseItem : contentResponse.getItemsList()) {
         // print out string with redacted content
         System.out.println(responseItem.getData().toStringUtf8());