Bug 573965 - Version bumps for 4.21 stream Change-Id: I271e3db6b18493e7295a9e1df5353b8f427100e1 Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com> Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ua/+/181450