Setting the new version to 2.0.9 to correspond with the release (#273)

Co-authored-by: Brendan Lynch <brenplyn@amazon.com>

pom.xml

@@ -6,7 +6,7 @@
     <artifactId>amazon-kinesis-agent</artifactId>
     <packaging>jar</packaging>
     <name>Amazon Kinesis Agent</name>
-    <version>2.0.8</version>
+    <version>2.0.9</version>
     <description>Amazon Kinesis Agent runs on customer hosts and continuously monitors a set of log files and sends new data to the Amazon Kinesis Stream and Amazon Kinesis Firehose services in near-real-time.</description>
     <url>https://aws.amazon.com/kinesis</url>