[ci skip] prepare release 1.2.1

Author: idhub-bot

pom.xml

@@ -1,12 +1,11 @@
 <?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>com.trendyol.sonar.stryker.net</groupId>
     <artifactId>sonar-stryker-net-plugin</artifactId>
     <packaging>jar</packaging>
-    <version>1.2.1-SNAPSHOT</version>
+    <version>1.2.1</version>
 
     <name>sonar-stryker-net-plugin</name>
     <description>SonarQube plugin for Stryker.NET, a mutation testing framework for CSharp</description>
@@ -134,6 +133,6 @@
         <connection>scm:git:${project.scm.url}</connection>
         <developerConnection>scm:git:${project.scm.url}</developerConnection>
         <url>[email protected]:Trendyol/sonar-stryker-net-plugin.git</url>
-        <tag>HEAD</tag>
+        <tag>1.2.1</tag>
     </scm>
 </project>