Version bump for 4.21

Needed by
https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/172226

Change-Id: I6b32a57a5a35637472c9810b773fc767997d5e07
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/183315
Tested-by: Platform Bot <platform-bot@eclipse.org>
diff --git a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/META-INF/MANIFEST.MF b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/META-INF/MANIFEST.MF
index b13cfa0..b914943 100644
--- a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/META-INF/MANIFEST.MF
@@ -1,7 +1,7 @@
 Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-SymbolicName: org.eclipse.e4.ui.workbench.renderers.swt;singleton:=true
-Bundle-Version: 0.15.100.qualifier
+Bundle-Version: 0.15.200.qualifier
 Bundle-Name: %pluginName
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin