[OPENENGSB-1624] Upgrade pax-runner to 1.7.3
[OPENENGSB-1624] Upgrade pax-runner to 1.7.3

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

openengsb-attic/openengsb-maven-plugin