Add Luca Milanesio as developer in pom.xml files

Change-Id: I36466adb273560161c0526376a13f129fcef8787
diff --git a/gerrit-plugin-api/pom.xml b/gerrit-plugin-api/pom.xml
index 1990f90..0e232a3 100644
--- a/gerrit-plugin-api/pom.xml
+++ b/gerrit-plugin-api/pom.xml
@@ -53,6 +53,9 @@
       <name>Logan Hanks</name>
     </developer>
     <developer>
+      <name>Luca Milanesio</name>
+    </developer>
+    <developer>
       <name>Martin Fick</name>
     </developer>
     <developer>