Merge pull request #729 from finos/dependabot/maven/src/app-directory/com.google.code.gson-gson-2.8.9

Bump gson from 2.2.4 to 2.8.9 in /src/app-directory

Author: kriswest

src/app-directory/pom.xml

@@ -27,7 +27,7 @@
         <swagger-codegen-maven-plugin-version>2.3.1</swagger-codegen-maven-plugin-version>
         <sonar.skip>false</sonar.skip>
         <jetty-version>9.2.9.v20150224</jetty-version>
-        <gson.version>2.2.4</gson.version>
+        <gson.version>2.8.9</gson.version>
         <aws-sdk-version>LATEST</aws-sdk-version>
     </properties>