[skip ci]prepare release v1.0.0

pom.xml

@@ -1,12 +1,10 @@
 <?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>
 
     <groupId>de.idealo.spring</groupId>
     <artifactId>spring-cloud-stream-binder-sns</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
+    <version>1.0.0</version>
     <name>Spring Cloud Stream Binder for AWS SNS</name>
     <description>Allows you to use Spring Cloud Stream together with AWS SNS</description>
     <url>https://github.com/idealo/spring-cloud-stream-binder-sns</url>
@@ -34,7 +32,7 @@
         <connection>scm:git:https://github.com/idealo/spring-cloud-stream-binder-sns.git</connection>
         <developerConnection>scm:git:https://github.com/idealo/spring-cloud-stream-binder-sns.git</developerConnection>
         <url>https://github.com/idealo/spring-cloud-stream-binder-sns</url>
-        <tag>HEAD</tag>
+        <tag>v1.0.0</tag>
     </scm>
 
     <distributionManagement>