Better autodoc skip member

[JelteF]

Make autodoc skip-member callback more powerful in two ways:

1. Add the possibility to override members in exclude-members
2. Pass the namespace, to make it possible to do different things for different classes.

The last one would probably count as a breaking change, since the function needs to accept a new argument.

[JelteF]

Any update on responding to this?

[tk0miya]

Add the possibility to override members in exclude-members

+1: Reasonable. I'd like to cherry-pick this change into next stable release.

Pass the namespace, to make it possible to do different things for different classes.

-1: I can understand your idea. Indeed, it would be useful. But I can't accept this because for a breaking change. It's difficult to migrate user's hooks to the new argument.

[tk0miya]

merged the former one (see #7954).
Thank you for your contribution!