git: bump com.google.code.gson:gson from 2.8.7 to 2.8.9 (#168)

Author: dependabot[bot]

tasks/git/pom.xml

@@ -84,7 +84,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.7</version>
+            <version>2.8.9</version>
         </dependency>
 
         <dependency>