4.21 version update for org.eclipse.ui.themes

Required for
https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/181151

Change-Id: Ia90750df14538551f761e09b549cc8547c52c3e3
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/181481
Tested-by: Platform Bot <platform-bot@eclipse.org>
diff --git a/bundles/org.eclipse.ui.themes/META-INF/MANIFEST.MF b/bundles/org.eclipse.ui.themes/META-INF/MANIFEST.MF
index d2b5abe..f3aa67d 100644
--- a/bundles/org.eclipse.ui.themes/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.ui.themes/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %Plugin.name
 Bundle-SymbolicName: org.eclipse.ui.themes;singleton:=true
-Bundle-Version: 1.2.1400.qualifier
+Bundle-Version: 1.2.1500.qualifier
 Bundle-Vendor: %Plugin.providerName
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.e4.ui.css.swt.theme