Bump parent pom to 3.8

Author: rbygrave

pom.xml

@@ -39,8 +39,22 @@
     <module>http-generator-jex</module>
     <module>http-generator-helidon</module>
     <module>http-generator-client</module>
-    <module>tests</module>
   </modules>
 
+  <profiles>
+    <profile>
+      <id>central</id>
+    </profile>
+    <profile>
+      <id>default</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+      <modules>
+        <module>tests</module>
+      </modules>
+    </profile>
+  </profiles>
+
 </project>