Merge pull request #144 from awslabs/dependabot/maven/aws-java-sdk.version-2.25.6

Bump aws-java-sdk.version from 2.21.21 to 2.25.6

Author: ziyanli-amazon

pom.xml

@@ -37,7 +37,7 @@
   </developers>
 
   <properties>
-    <aws-java-sdk.version>2.21.21</aws-java-sdk.version>
+    <aws-java-sdk.version>2.25.6</aws-java-sdk.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
   </properties>