Bump GAX to 1.63.0 (#428)

Author: nwbirnie

buildSrc/src/main/groovy/com.google.api-ads.java-conventions.gradle

@@ -50,9 +50,9 @@ tasks.withType(JavaCompile) {
 dependencies {
     implementation 'com.google.guava:guava:30.0-android'
     implementation 'com.google.auto.service:auto-service:1.0-rc2'
-    implementation 'com.google.api:gax:1.60.1'
-    implementation 'com.google.api:gax-grpc:1.60.1'
-    implementation 'com.google.protobuf:protobuf-java:3.12.0'
+    implementation 'com.google.api:gax:1.63.0'
+    implementation 'com.google.api:gax-grpc:1.63.0'
+    implementation 'com.google.protobuf:protobuf-java:3.14.0'
     annotationProcessor 'com.google.auto.service:auto-service:1.0-rc2'
     testImplementation 'junit:junit:4.13.1'
 }

google-ads-examples/src/main/java/com/google/ads/googleads/examples/extensions/AddSitelinksUsingFeeds.java

@@ -60,7 +60,6 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
-import org.apache.commons.lang3.StringUtils;
 
 /**
  * Adds sitelinks to a campaign using feed services. To create a campaign, run AddCampaigns.java.
@@ -379,11 +378,11 @@ private FeedItemOperation createFeedItemOperation(
   private void createCampaignFeed(
       GoogleAdsClient googleAdsClient, long customerId, Feed feed, long campaignId) {
     // Creates a comma separated list of feed attribute IDs for the matching function.
-    List<Long> feedAttributesIds =
+    List<String> feedAttributesIds =
         feed.getAttributesList().stream()
-            .map(feedAttribute -> feedAttribute.getId())
+            .map(feedAttribute -> String.valueOf(feedAttribute.getId()))
             .collect(Collectors.toList());
-    String feedAttributesString = StringUtils.join(feedAttributesIds, ",");
+    String feedAttributesString = String.join( ",", feedAttributesIds);
 
     // Creates the campaign feed.
     CampaignFeed campaignFeed =

google-ads/pom.xml

@@ -36,7 +36,7 @@
     <auto-value.version>1.7.3</auto-value.version>
     <!-- Keep all versions below consistent with the io.netty version. -->
     <netty.version>2.0.26.Final</netty.version>
-    <gax.version>1.60.1</gax.version>
+    <gax.version>1.63.0</gax.version>
     <grpc.version>1.30.0</grpc.version>
     <protobuf.version>3.12.2</protobuf.version>
   </properties>