[maven-release-plugin] prepare release v4.0.0

Author: oschwald

pom.xml

@@ -1,10 +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/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.maxmind.geoip2</groupId>
     <artifactId>geoip2</artifactId>
-    <version>3.0.3-SNAPSHOT</version>
+    <version>4.0.0</version>
     <packaging>jar</packaging>
     <name>MaxMind GeoIP2 API</name>
     <description>GeoIP2 webservice client and database reader</description>