Bumped version of SnakeYaml to 1.28 - CVE-2017-18640 - CWE-189
Bumped version of SnakeYaml to 1.28 - CVE-2017-18640 - CWE-189

Signed-off-by: Alberto Codutti <ded987c534c96b462feeee54a345bec2d025746a@eurotech.com>

stzilli/kapua,LeoNerdoG/kapua,stzilli/kapua,stzilli/kapua,LeoNerdoG/kapua,LeoNerdoG/kapua,LeoNerdoG/kapua,stzilli/kapua,LeoNerdoG/kapua,stzilli/kapua