build(deps): bump pdfjs-dist from 2.14.305 to 4.8.69

Bumps [pdfjs-dist](https://github.com/mozilla/pdf.js) from 2.14.305 to 4.8.69.
- [Release notes](https://github.com/mozilla/pdf.js/releases)
- [Commits](mozilla/pdf.js@v2.14.305...v4.8.69)

---
updated-dependencies:
- dependency-name: pdfjs-dist
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>