Bug 573965 - Version bumps for 4.21 stream Change-Id: I331089b7d26638bb0c67f6a37fb5756cbd418f46 Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com> Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.common/+/181445