Remove `any` in index.ts by wafuwafu13 · Pull Request #85 · OP-Engineering/link-preview-js

I installed @types/cheerio in last PR (#83), but I used any(#83 (comment)) . So I remove any in this PR. refs: https://github.com/DefinitelyTyped/DefinitelyTyped/blob/b41bbafcd298b4b2aaa851d43ffadb...