pom.xml: updates for release 3.0.2
pom.xml: updates for release 3.0.2

Fix issue in the scheduking for reporting
Fix issue when hot-restarting plugin to ensure bus event notifications handler is correctly unregistered

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

daliwei/killbill-analytics-plugin,daliwei/killbill-analytics-plugin,killbill/killbill-analytics-plugin,daliwei/killbill-analytics-plugin,daliwei/killbill-analytics-plugin,killbill/killbill-analytics-plugin