[releng] Update to the latest eclipse-jarsigner-plugin

Change-Id: I19b416d85a37cc2d6c8a5c5113fdce257779ef72
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>

org.eclipse.gmf.notation.releng/pom.xml

diff --git a/org.eclipse.gmf.notation.releng/pom.xml b/org.eclipse.gmf.notation.releng/pom.xml
index ef52e74..0e59a90 100644
--- a/org.eclipse.gmf.notation.releng/pom.xml
+++ b/org.eclipse.gmf.notation.releng/pom.xml
@@ -12,7 +12,7 @@
 	<!-- this is the parent POM from which all modules inherit common settings -->
 	<properties>
 		<tycho-version>1.7.0</tycho-version>
-		<cbi-plugins.version>1.1.7</cbi-plugins.version>
+		<cbi-plugins.version>1.3.1</cbi-plugins.version>
 		<antrun-version>1.8</antrun-version>
 <!-- 		<maven.test.failure.ignore>true</maven.test.failure.ignore> -->
         <platform>oxygen</platform>