[maven-release-plugin] prepare release v2.1.0

pom.xml

@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<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/maven-v4_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/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>io.conekta</groupId>
   <artifactId>conekta-java</artifactId>
-  <version>2.1.0-SNAPSHOT</version>
+  <version>2.1.0</version>
   <packaging>jar</packaging>
   <name>conekta-java</name>
   <description>This is a java library that allows interaction with https://api.conekta.io API.</description>
@@ -28,6 +26,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/ma
     <connection>scm:git:[email protected]:conekta/conekta-java.git</connection>
     <developerConnection>scm:git:[email protected]:conekta/conekta-java.git</developerConnection>
     <url>http://github.com/conekta/conekta-java/tree/master</url>
+    <tag>v2.1.0</tag>
   </scm>
   <build>
     <sourceDirectory>src</sourceDirectory>