releng: update versions to 0.7.0Change-Id: Ic1657dd440d852237d23a64077acb7373660d28bSigned-off-by: Patrick Tasse <patrick.tasse@gmail.com>Reviewed-on: https://git.eclipse.org/r/c/tracecompass.incubator/org.eclipse.tracecompass.incubator/+/204021Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>