Merge pull request #4 from stackabletech/dependabot/maven/com.google.code.gson-gson-2.8.9

Bump gson from 2.8.7 to 2.8.9

Author: maltesander

pom.xml

@@ -27,7 +27,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.7</version>
+      <version>2.8.9</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>