[CLI] set version back to 6.0.0

During OOM version bump, CLI was accidentally bumped to 7.0.0.
This patch reverts the situation.

Issue-ID: OOM-2638
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I2acdf393cf41be7d9145a5724d2ba0473398abf3
1 file changed