[releng] Open Guava range to include version 21

Change-Id: Iac7da2097c92d7dfca3a7787fda78f35c7801f4c
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
diff --git a/plugins/org.eclipse.eef.properties.ui.legacy/META-INF/MANIFEST.MF b/plugins/org.eclipse.eef.properties.ui.legacy/META-INF/MANIFEST.MF
index 0934156..c87b5b0 100644
--- a/plugins/org.eclipse.eef.properties.ui.legacy/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.eef.properties.ui.legacy/META-INF/MANIFEST.MF
@@ -11,7 +11,7 @@
  org.eclipse.ui.views.properties.tabbed;bundle-version="[3.5.0,4.0.0)",
  org.eclipse.eef.properties.ui;bundle-version="[2.0.0,3.0.0)",
  org.eclipse.eef.common.ui;bundle-version="[2.0.0,3.0.0)",
- com.google.guava;bundle-version="[11.0.2,16.0.0)"
+ com.google.guava;bundle-version="[11.0.2,22.0.0)"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-ActivationPolicy: lazy
 Bundle-Localization: plugin