Bump modules for 1.3.0-RC3

(cherry picked from commit 3904aa8188d62e560c2ebff12eac8b46ac4f482c)
Improvement to bump module script

(cherry picked from commit dd0ad536df563e69d3631fc611c19502a2e1d86d)
Fixes #3131 - Output information at the end of the foreman-installer execution

(cherry picked from commit 448ba8b5a518560734656a005d5261090c2359f5)
Release 1.3.0-RC3