Bump commons-configuration2 from 2.6 to 2.7 in /core
Bump commons-configuration2 from 2.6 to 2.7 in /core

Bumps commons-configuration2 from 2.6 to 2.7.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
fhm84/jexunit