Fix missing version for maven reports
Fix missing version for maven reports

Change-Id: I45f229b90731d22d1099d38c690b2e6bb8ad5763
Signed-off-by: Claudio D. Gasparini <e1fe59cb44b06b1ab80aa5ef1b61a7e77b52c855@pantheon.tech>

opendaylight/bgpcep