Extend description linter for static API members

[Elchi3]

What type of issue is this?

Linter issue

What is the issue?

No lint failure when not providing a description for static API members.

Happened in #29474, for example.

What behavior were you expecting?

Lint failure like for _event features, see https://github.com/mdn/browser-compat-data/blob/main/lint/linter/test-descriptions.js

What version(s) of BCD is the issue present in?

• The current BCD release
• The current version of the main branch

Do you have anything more you want to share?

No response