ruby: bump version to 2.4.1
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
(cherry picked from commit 81de172d11d95a27eac5bc7ad24303cc0cff0b73)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>