1602: Bump parent version to 4.0.0 (#238)

Author: shaunharrisonFR

pom.xml

@@ -29,7 +29,7 @@
     <parent>
         <groupId>com.forgerock.sapi.gateway</groupId>
         <artifactId>secure-api-gateway-parent</artifactId>
-        <version>3.2.0</version>
+        <version>4.0.0</version>
         <relativePath />
     </parent>