pom.xml: update to 0.140.2 for 0.18.x
pom.xml: update to 0.140.2 for 0.18.x

Signed-off-by: Pierre-Alexandre Meyer <ff019a5748a52b5641624af88a54a2f0e46a9fb5@mouraf.org>

fathomstudio/killbill-bluepay-plugin,killbill/killbill-hello-world-java-plugin,fathomstudio/killbill-bluepay-plugin