chore(release): release 7.15.0.W20

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.bonitasoft.web</groupId>
     <artifactId>bonita-web-extensions</artifactId>
-    <version>7.15-SNAPSHOT</version>
+    <version>7.15.0.W20</version>
 
     <name>Bonita Web Extensions</name>
     <description>Provide API to develop custom web extensions like pages and rest apis</description>