Bump up netty, slf4j, jackson, joda-time maven dependencies

- netty: 4.0.33.Final -> 4.0.36.Final
- jackson: 2.7.0 -> 2.7.3
- joda-time: 2.9 -> 2.9.3
- slf4j -> 1.7.13 -> 1.7.21

Change-Id: If2cdd0e6e0f52d50be232a817cf7d3f27df20ff1
diff --git a/tools/package/maven-plugin/pom.xml b/tools/package/maven-plugin/pom.xml
index 697e151..c7797a9 100644
--- a/tools/package/maven-plugin/pom.xml
+++ b/tools/package/maven-plugin/pom.xml
@@ -79,12 +79,12 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.7.0</version>
+            <version>2.7.3</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>2.7.0</version>
+            <version>2.7.3</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>