[maven-release-plugin] prepare release 1.3.0

Author: Marius Sturm

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>org.graylog.plugins</groupId>
     <artifactId>graylog-plugin-metrics</artifactId>
-    <version>1.3.0-SNAPSHOT</version>
+    <version>1.3.0</version>
     <packaging>jar</packaging>
 
     <name>${project.artifactId}</name>
@@ -36,7 +36,7 @@
         <connection>scm:git:git@github.com:Graylog2/graylog-plugin-metrics.git</connection>
         <developerConnection>scm:git:git@github.com:Graylog2/graylog-plugin-metrics.git</developerConnection>
         <url>https://github.com/Graylog2/graylog-plugin-metrics</url>
-        <tag>HEAD</tag>
+        <tag>1.3.0</tag>
     </scm>
 
     <dependencies>