Bug 574173 - bump p2 repository and transport versions for 4.21

Change-Id: I99193df266dc0151f69bbf8d7dd5b2ad1e0a1206
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/equinox/rt.equinox.p2/+/181875
Tested-by: Equinox Bot <equinox-bot@eclipse.org>
4 files changed