Update version from 2.1.8-rc0 to 2.1.8

Author: rkouere

pom.xml

@@ -11,7 +11,7 @@
     </parent>
     <groupId>fr.insee.rmes</groupId>
     <artifactId>ddi-access-services</artifactId>
-    <version>2.1.8-rc0</version>
+    <version>2.1.8</version>
     <name>DDI Access Services</name>
     <description>Rest API to access to Colectica repository services</description>
     <properties>