ci-buildpackage: use wrap-and-sort as a workaround for odd packages

A lot of `node-*` packages have their Build-Depends formatted in a way
apt can't parse, causing CI failures.

Using wrap-and-sort beforehand in order to make sure the file format is
correct will help working around these issues.

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>