Addition of list and string is allowed but only from version 0.60 of meson. We claim to support building with meson 0.47, and there are distributions like Debian and CentOS Stream 8 that uses versions older than 0.60. Fix it by converting the offending string to a single item list.
Fixes: 984642e3 ("build: meson: fix some missing dependencies")
Please read https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/blob/main/CONTRIBUTING.md before opening the merge request. In particular, check that:
the subject for all commits is concise and explicative
the message for all commits explains the reason for the change
the source is properly formatted
any relevant documentation is up to date
you have added unit tests if applicable