[maven-release-plugin] prepare release 1.2.0

pom.xml

@@ -1,15 +1,13 @@
 <?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/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>
   <name>Zeebe Protocol Immutables</name>
   <artifactId>zeebe-protocol-immutables</artifactId>
   <groupId>io.zeebe</groupId>
   <packaging>jar</packaging>
-  <version>1.2.0-SNAPSHOT</version>
+  <version>1.2.0</version>
   <inceptionYear>2020</inceptionYear>
   <url>https://github.com/zeebe-io/zeebe-protocol-immutables</url>
 
@@ -18,7 +16,7 @@
     <artifactId>camunda-release-parent</artifactId>
     <version>3.7</version>
     <!-- do not remove empty tag - http://jira.codehaus.org/browse/MNG-4687 -->
-    <relativePath/>
+    <relativePath />
   </parent>
 
   <properties>
@@ -360,6 +358,6 @@
     <connection>scm:git:git@github.com:zeebe-io/zeebe-protocol-immutables.git</connection>
     <developerConnection>scm:git:git@github.com:zeebe-io/zeebe-protocol-immutables.git
     </developerConnection>
-    <tag>HEAD</tag>
+    <tag>1.2.0</tag>
   </scm>
 </project>