Changes

releng: Ignore .tycho-consumer-pom.xml created during maven build

These temporary build artifacts are not meant to be under source
control and can be ignored. Adding them to .gitignore file.

Change-Id: I51e46c9e22e4132d499217ad9778937993eaacd3
Signed-off-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/c/tracecompass/org.eclipse.tracecompass/+/197830
Tested-by: Trace Compass Bot <tracecompass-bot@eclipse.org>
Tested-by: Marco Miller <marco.miller@ericsson.com>
Reviewed-by: Marco Miller <marco.miller@ericsson.com>