automation: build: require https on maven central
automation: build: require https on maven central

use https for maven central repository as otherwise it will fail with error 501:

[WARNING] Could not transfer metadata org.apache.maven.plugins/maven-metadata.xml
from/to maven-central (http://repo.maven.apache.org/maven2):
transfer failed for http://repo.maven.apache.org/...,
status: 501 HTTPS Required

Change-Id: I1b9f786c9052b223081d7807350be73949fc7378
Signed-off-by: Sandro Bonazzola <fcb014d63786651910af5db2ecc5316c668188ef@redhat.com>

oVirt/ovirt-engine-extension-aaa-jdbc,oVirt/ovirt-engine-extension-aaa-jdbc