[releng] Move from Tycho 1.4.0 to 1.6.0

Change-Id: I3053e8ac27e2896b3ea29bf1b5aa615cbab896ec
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
diff --git a/packaging/org.eclipse.sirius.parent/pom.xml b/packaging/org.eclipse.sirius.parent/pom.xml
index 9194ef3..6f4f8cb 100644
--- a/packaging/org.eclipse.sirius.parent/pom.xml
+++ b/packaging/org.eclipse.sirius.parent/pom.xml
@@ -38,8 +38,8 @@
   </licenses>
 
   <properties>
-    <tycho-version>1.4.0</tycho-version>
-    <tycho-extras-version>1.4.0</tycho-extras-version>
+    <tycho-version>1.6.0</tycho-version>
+    <tycho-extras-version>1.6.0</tycho-extras-version>
     <platform-version-name>photon</platform-version-name>
     <!-- This property is used to customize the maven build folder. Used for parallel builds -->
     <build-folder-name>target</build-folder-name>