Merge pull request #23 from ShipEngine/dependabot/maven/com.google.code.gson-gson-2.8.9

Bump gson from 2.8.8 to 2.8.9

Author: sushithegreat

pom.xml

@@ -88,7 +88,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.8</version>
+      <version>2.8.9</version>
       <scope>compile</scope>
     </dependency>
     <dependency>