[maven-release-plugin] prepare branch 3.1

Author: kofemann

oncrpc4j-benchmark/pom.xml

@@ -1,7 +1,4 @@
-<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>
 

pom.xml

@@ -19,7 +19,7 @@
         <url>https://github.com/dCache/oncrpc4j.git</url>
         <connection>scm:git:https://github.com/dCache/oncrpc4j.git</connection>
         <developerConnection>scm:git:ssh://[email protected]/dCache/oncrpc4j.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>3.1</tag>
     </scm>
 
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