Bug 573960 - POM and product version change for 4.21 release

Change-Id: I8617354072386689d8112c51dc2927d187d59b2b
Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt/+/181387
Tested-by: Vikas Chandra <Vikas.Chandra@in.ibm.com>
Reviewed-by: Vikas Chandra <Vikas.Chandra@in.ibm.com>
3 files changed