[maven-release-plugin] prepare release 1.3.1

pom.xml

@@ -1,11 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.github.mtakaki</groupId>
     <artifactId>dropwizard-hikaricp</artifactId>
-    <version>1.3.1-SNAPSHOT</version>
+    <version>1.3.1</version>
     <packaging>jar</packaging>
 
     <name>Dropwizard HikariCP integration</name>
@@ -43,7 +41,7 @@
         <connection>scm:git:https://github.com/mtakaki/dropwizard-hikaricp.git</connection>
         <developerConnection>scm:git:git@github.com:mtakaki/dropwizard-hikaricp.git</developerConnection>
         <url>https://github.com/mtakaki/dropwizard-hikaricp</url>
-        <tag>HEAD</tag>
+        <tag>1.3.1</tag>
     </scm>
 
     <distributionManagement>