Bump orca version to 2.40.3
Bump orca version to 2.40.3

Signed-off-by: Jemish Patel <e4ecf351ce2735959668555e216c226798b6c905@pivotal.io>

cjcjameson/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,edespino/gpdb,cjcjameson/gpdb,50wu/gpdb,jmcatamney/gpdb,adam8157/gpdb,yuanzhao/gpdb,lisakowen/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,janebeckman/gpdb,cjcjameson/gpdb,xinzweb/gpdb,greenplum-db/gpdb,xinzweb/gpdb,edespino/gpdb,ashwinstar/gpdb,50wu/gpdb,adam8157/gpdb,adam8157/gpdb,xinzweb/gpdb,greenplum-db/gpdb,50wu/gpdb,janebeckman/gpdb,Chibin/gpdb,cjcjameson/gpdb,Chibin/gpdb,edespino/gpdb,edespino/gpdb,yuanzhao/gpdb,edespino/gpdb,50wu/gpdb,adam8157/gpdb,janebeckman/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,lisakowen/gpdb,yuanzhao/gpdb,xinzweb/gpdb,Chibin/gpdb,lisakowen/gpdb,edespino/gpdb,janebeckman/gpdb,Chibin/gpdb,edespino/gpdb,jmcatamney/gpdb,lisakowen/gpdb,jmcatamney/gpdb,50wu/gpdb,xinzweb/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,janebeckman/gpdb,Chibin/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,adam8157/gpdb,janebeckman/gpdb,xinzweb/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,janebeckman/gpdb,cjcjameson/gpdb,edespino/gpdb,xinzweb/gpdb,lisakowen/gpdb,Chibin/gpdb,50wu/gpdb,50wu/gpdb,50wu/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,xinzweb/gpdb,Chibin/gpdb,adam8157/gpdb,lisakowen/gpdb,greenplum-db/gpdb,janebeckman/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,edespino/gpdb,jmcatamney/gpdb,Chibin/gpdb,Chibin/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,lisakowen/gpdb,cjcjameson/gpdb,edespino/gpdb,greenplum-db/gpdb,janebeckman/gpdb,ashwinstar/gpdb,Chibin/gpdb,lisakowen/gpdb,janebeckman/gpdb,jmcatamney/gpdb,adam8157/gpdb,adam8157/gpdb