[maven-release-plugin] prepare for next development iteration

java/pom.xml

diff --git a/java/pom.xml b/java/pom.xml
index 4dac30c..029ead9 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -7,7 +7,7 @@
     <organization>
         <name>Google</name>
     </organization>
-    <version>0.8.2</version>
+    <version>0.8.3-SNAPSHOT</version>
     <packaging>jar</packaging>
     <licenses>
         <license>
@@ -19,7 +19,7 @@
         <connection>scm:git:git@github.com:GoogleCloudPlatform/appengine-gcs-client.git</connection>
         <developerConnection>scm:git:git@github.com:GoogleCloudPlatform/appengine-gcs-client.git</developerConnection>
         <url>https://github.com/GoogleCloudPlatform/appengine-gcs-client</url>
-        <tag>appengine-gcs-client-0.8.2</tag>
+        <tag>HEAD</tag>
     </scm>
     <properties>
     <appengine.target.version>1.9.92</appengine.target.version>