Add TypeScript 7 to peer dependencies

qtiki

The [peer dependencies](https://github.com/TypeStrong/typedoc/blob/6d8c856bbb46b089371952981f113c3e318818fd/package.json#L51) should include TypeScript 7.

Gerrit0

Until #3098 is complete, no, it should not. TypeDoc does not yet support TS 7.