Update platform version in checkComposites.sh script

Change-Id: I65951160ce4def623d6e09975f82e41bc1cafe68
Signed-off-by: Frederic Gurr <frederic.gurr@eclipse-foundation.org>

promoteUtils/checkComposites.sh

diff --git a/promoteUtils/checkComposites.sh b/promoteUtils/checkComposites.sh
index bb88c76..1c63096 100755
--- a/promoteUtils/checkComposites.sh
+++ b/promoteUtils/checkComposites.sh
@@ -26,8 +26,8 @@
 
 RAW_OVERALL_DATE_START="$(date +%s )"
 baseEclipseAccessDir="/home/data/httpd/download.eclipse.org"
-baseEclipseDirSegment="eclipse/downloads/drops4/R-4.18-202012021800"
-baseEclipse="eclipse-platform-4.18-linux-gtk-x86_64.tar.gz"
+baseEclipseDirSegment="eclipse/downloads/drops4/R-4.21-202109060500"
+baseEclipse="eclipse-platform-4.21-linux-gtk-x86_64.tar.gz"
 repoFileAccess="file:///home/data/httpd/download.eclipse.org/"
 repoHttpAccess="https://download.eclipse.org"