[maven-release-plugin] prepare release aou-1.1.0

pom.xml

 <?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>ch.unige.aou</groupId>
     <artifactId>aou-portal</artifactId>
     <packaging>pom</packaging>
-    <version>1.1.0-SNAPSHOT</version>
+    <version>1.1.0</version>
     <description>AoU Portal</description>
 
     <licenses>
@@ -28,7 +27,7 @@
 
     <scm>
         <connection>scm:git:git@gitlab.unige.ch:aou/aou-portal.git</connection>
-        <tag>HEAD</tag>
+        <tag>aou-1.1.0</tag>
     </scm>
 
     <distributionManagement>