Bump logback to 1.2.3 (#1713)
Bump logback to 1.2.3 (#1713)

Signed-off-by: Sylvain Leclerc <5d993eb81f6b79378b255a42c1e36c7b95012258@rte-france.com>
powsybl/powsybl-core,powsybl/powsybl-core,powsybl/powsybl-core