Add lupeng to the developer list

Author: guluo2016

pom.xml

@@ -376,6 +376,12 @@
       <email>liyu@apache.org</email>
       <timezone>+8</timezone>
     </developer>
+    <developer>
+      <id>lupeng</id>
+      <name>Peng Lu</name>
+      <email>lupeng@apache.org</email>
+      <timezone>+8</timezone>
+    </developer>
     <developer>
       <id>mbautin</id>
       <name>Mikhail Bautin</name>