[releng] Switch to Tycho 1.4.0 release

Switch from snapshot to release

Change-Id: I6aea9d6cc34b6479ff0765f257beeb65b6d30fbe
Signed-off-by: Axel RICHARD <axel.richard@obeo.fr>
diff --git a/releng/org.eclipse.eef.releng/pom.xml b/releng/org.eclipse.eef.releng/pom.xml
index 5af2cc7..94690cb 100644
--- a/releng/org.eclipse.eef.releng/pom.xml
+++ b/releng/org.eclipse.eef.releng/pom.xml
@@ -21,8 +21,8 @@
   <name>EEF Parent</name>
 
   <properties>
-    <tycho-version>1.4.0-SNAPSHOT</tycho-version>
-    <tycho-extras-version>1.4.0-SNAPSHOT</tycho-extras-version>
+    <tycho-version>1.4.0</tycho-version>
+    <tycho-extras-version>1.4.0</tycho-extras-version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <platform-version-name>2018-12</platform-version-name>
     <tycho.scmUrl>scm:git:http://git.eclipse.org/gitroot/eef/org.eclipse.eef.git</tycho.scmUrl>