man: fix missing deprecation message
Summary
Fix missing deprecation message in autoconnect-slaves
Purpose
In the gtkdoc comments, the text below tags like Since: 1.2
is
discarded. In the property autoconnect-slaves
a line indicating its
deprecation was below one of these tags. As a result, it was missing in
the man page. Fix it.
Checklist
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 -
the NEWS file is updated when the change deserves to be mentioned, for example for new features, behavior changes, API deprecations, etc.