Update docker nodes

Update docker nodes to fetch latest changes on executable
permissions for rebar3 and geckodriver.

Change-Id: Ia6ffefaa8e3110e6d782af3a009f1a9e11f5eb68
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
2 files changed