fix: fix instance options sent to lexer and parser

[UziTech]

Marked version: 9.1.5

Description

Fix instance.lexer setting default options when none passed in.

import { Marked } from 'marked';

const marked = new Marked();

marked.use({
  renderer: {
    heading() {
      return 'test';
    }
  }
});
const tokens = marked.lexer('# hi');
const html = marked.parser(tokens);

Contributor

• Test(s) exist to ensure functionality and minimize regression (if no tests added, list tests covering this PR); or,
• no tests required for this PR.
• If submitting new feature, it has been documented in the appropriate places.

Committer

In most cases, this should be a different person than the contributor.

• CI is green (no forced merge required).
• Squash and Merge PR following conventional commit guidelines.

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Name	Status	Preview	Comments	Updated (UTC)
marked-website	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 3, 2023 5:41am