Changes

[tracecompass-test.Jenkinsfile] First draft of notarization...

of mac .dmg packages (TraceCompass RPC package for mac)

This commit adds the necessary to notarize the mac .dmg packages,
as a test or example. This is exploratory and will require a follow
up, probably to refine the approach, and once it works, to add it
in the proper place (JenkinsFile / Jenkins job).

As noted in the code, this is heavily inspired by an Eclipse EPP
script and Jenkins job configuration. See code for details.

Signed-off-by: Marc Dumais <marc.dumais@ericsson.com>
Change-Id: Ib97133b16e14bbc79a3eb32116ad2b028d2d4183

releng: Fix API errors

Change-Id: I4aeba857d63c88bea3cac093b41c40fb58927862
Signed-off-by: Patrick Tasse <patrick.tasse@gmail.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass/org.eclipse.tracecompass/+/204472
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>