Bug 573965 - Version bumps for 4.21 stream Change-Id: I4c488f3e4a8fefb3592b3006d8f49bcfadac53c7 Signed-off-by: Alexander Kurtakov <akurtako@redhat.com> Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.p2/+/181973 Tested-by: Equinox Bot <equinox-bot@eclipse.org>