chore(deps): bump pdfjs-dist in /packages/markdown-pdf

Bumps [pdfjs-dist](https://github.com/mozilla/pdfjs-dist) from 2.13.216 to 4.2.67.
- [Commits](https://github.com/mozilla/pdfjs-dist/commits)

---
updated-dependencies:
- dependency-name: pdfjs-dist
  dependency-type: direct:production
...

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Author: dependabot[bot]

packages/markdown-pdf/package.json

@@ -80,7 +80,7 @@
     "@accordproject/markdown-common": "*",
     "@accordproject/markdown-template": "*",
     "axios": "0.23.0",
-    "pdfjs-dist": "2.13.216",
+    "pdfjs-dist": "4.2.67",
     "pdfmake": "^0.2.4",
     "type-of": "^2.0.1"
   },