Updates to latest Zipkin 1.16.2 (#454)

Here are the features relevant to sleuth

* MySQL support of 128-bit group-by
* don't stack overflow on json write bug
* more forgiving of IPv4-mapped addresses in json

Author: adriancole

spring-cloud-sleuth-dependencies/pom.xml

@@ -14,8 +14,8 @@
 	<name>spring-cloud-sleuth-dependencies</name>
 	<description>Spring Cloud Sleuth Dependencies</description>
 	<properties>
-		<zipkin.version>1.14.4</zipkin.version>
-		<zipkin-reporter.version>0.6.6</zipkin-reporter.version>
+		<zipkin.version>1.16.2</zipkin.version>
+		<zipkin-reporter.version>0.6.9</zipkin-reporter.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>

spring-cloud-sleuth-samples/pom.xml

@@ -59,12 +59,12 @@
 			<dependency>
 				<groupId>io.zipkin.java</groupId>
 				<artifactId>zipkin</artifactId>
-				<version>1.14.4</version>
+				<version>1.16.2</version>
 			</dependency>
 			<dependency>
 				<groupId>io.zipkin.java</groupId>
 				<artifactId>zipkin-server</artifactId>
-				<version>1.14.4</version>
+				<version>1.16.2</version>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>