Package.xml: Bumped version number to 5.13.0 (#1154)

Author: FlorianReimold

package.xml

@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
     <name>ecal</name>
-    <version>5.12.0</version>
+    <version>5.13.0</version>
     <description>eCAL - enhanced Communication Abstraction Layer. A fast publish-subscribe cross-plattform middleware using Shared Memory and UDP.</description>
     <maintainer email="ecal-dev@eclipse.org">Eclipse Foundation, Inc.</maintainer>
     <license>Apache 2.0</license>