pom.xml: updates for release 0.0.7
pom.xml: updates for release 0.0.7

Regenerate client for new apis

Signed-off-by: Kill Bill core team <1a73af9e7ae00182733b2292511b814be66f065f@killbill.io>

killbill/killbill-client-java,killbill/killbill-client-java