[OPENENGSB-2899] Fixed source release setup
[OPENENGSB-2899] Fixed source release setup

Signed-off-by: Andreas Pieber <57efbcbb22ec0bd89955a40df26b44c340d3e38d@gmail.com>
(cherry picked from commit 068e3064f2ba3af674a5d47e39ec546b0268f974)

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

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