updated version label to 2020-12

Change-Id: Icec72318b423ee0501e0f853ba57a066d81f9a24
Signed-off-by: Christian Dietrich <christian.dietrich@itemis.de>
diff --git a/simrel.aggr b/simrel.aggr
index ad4e17f..8c6245a 100644
--- a/simrel.aggr
+++ b/simrel.aggr
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ASCII"?>
-<aggregator:Aggregation xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" description="Aggregation files used for Simultaneous Release (yearly &quot;release train&quot;)." buildmaster="//@contacts[email='frederic.gurr@eclipse.org']" label="2020-09" buildRoot="buildresultsPhoton" packedStrategy="UNPACK_AS_SIBLING" sendmail="true" type="I" allowLegacySites="false">
+<aggregator:Aggregation xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" description="Aggregation files used for Simultaneous Release (yearly &quot;release train&quot;)." buildmaster="//@contacts[email='frederic.gurr@eclipse.org']" label="2020-12" buildRoot="buildresultsPhoton" packedStrategy="UNPACK_AS_SIBLING" sendmail="true" type="I" allowLegacySites="false">
   <validationSets label="main">
     <contributions href="equinox.aggrcon#/"/>
     <contributions href="cft.aggrcon#/"/>