[OPENENGSB-1621] Upgrade to openengsb-root-18
[OPENENGSB-1621] Upgrade to openengsb-root-18

Signed-off-by: Andreas Pieber <57efbcbb22ec0bd89955a40df26b44c340d3e38d@gmail.com>
(cherry picked from commit f07ba74de657b845dd66fa6ca8c643e3a6959dd2)

Signed-off-by: Andreas Pieber <57efbcbb22ec0bd89955a40df26b44c340d3e38d@gmail.com>

openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb