updating the version of gson dependency to fix vulnerability

Author: gaubansa

pom.xml

@@ -283,7 +283,7 @@
 		<gson-fire-version>1.8.0</gson-fire-version>
 		<swagger-core-version>1.5.18</swagger-core-version>
 		<okhttp-version>3.14.4</okhttp-version>
-		<gson-version>2.8.1</gson-version>
+		<gson-version>2.8.9</gson-version>
 		<jodatime-version>2.9.9</jodatime-version>
 		<maven-plugin-version>1.0.0</maven-plugin-version>
 		<junit-version>4.13.2</junit-version>