Merge pull request #40 from apache/dependabot/maven/freemarker-generator-tools/com.google.code.gson-gson-2.8.9

Bump gson from 2.8.7 to 2.8.9 in /freemarker-generator-tools
diff --git a/freemarker-generator-tools/pom.xml b/freemarker-generator-tools/pom.xml
index 04ca3f1..8b6e804 100644
--- a/freemarker-generator-tools/pom.xml
+++ b/freemarker-generator-tools/pom.xml
@@ -97,7 +97,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.7</version>
+            <version>2.8.9</version>
         </dependency>
         <!-- Java Faker -->
         <dependency>