[maven-release-plugin] prepare release v1.1.8

pom.xml

@@ -1,10 +1,9 @@
-<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>org.spdx</groupId>
   <artifactId>spdx-rdf-store</artifactId>
-  <version>1.1.8-SNAPSHOT</version>
+  <version>1.1.8</version>
   <packaging>jar</packaging>
 
   <name>spdx-rdf-store</name>
@@ -266,7 +265,7 @@
     	<url>https://github.com/spdx/spdx-java-rdf-store</url>
     	<connection>scm:git:ssh://[email protected]:spdx/spdx-java-rdf-store</connection>
     	<developerConnection>scm:git:[email protected]:spdx/spdx-java-rdf-store</developerConnection>
-    	<tag>master</tag>
+    	<tag>v1.1.8</tag>
     </scm>
     <issueManagement>
     	<system>Github</system>