Recommended update for librsvg

This update for librsvg fixes the following issues:

- Bump required rust version to rust-1.53, in order to avoid a ppc64le crash (bsc#1189304, bsc#1191114)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Fixed bugs
bnc#1189304
fatal runtime error hit by gnome-shell with application core generated when entire Gnome Desktop crashed
bnc#1191114
SLES15sp2: gnome-shell dumping cores when accessed through VNC
Selected Binaries
openSUSE Build Service is sponsored by