package/xdg-dbus-proxy: bump to version 0.1.3

This is a minor maintenance release. The release incorporates
"0001-Fix-musl-compilation-by-adding-TEMP_FAILURE_RETRY.patch", which
can now be removed.

Release notes:

  https://github.com/flatpak/xdg-dbus-proxy/releases/tag/0.1.3



Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>