⬆ Bump the production-dependencies group across 1 directory with 2 up…

…dates

Bumps the production-dependencies group with 2 updates in the / directory: [mithril](https://github.com/MithrilJS/mithril.js) and [pdfjs-dist](https://github.com/mozilla/pdf.js).


Updates `mithril` from 2.2.8 to 2.2.11
- [Release notes](https://github.com/MithrilJS/mithril.js/releases)
- [Changelog](https://github.com/MithrilJS/mithril.js/blob/main/docs/recent-changes.md)
- [Commits](MithrilJS/mithril.js@v2.2.8...v2.2.11)

Updates `pdfjs-dist` from 4.7.76 to 4.9.155
- [Release notes](https://github.com/mozilla/pdf.js/releases)
- [Commits](mozilla/pdf.js@v4.7.76...v4.9.155)

---
updated-dependencies:
- dependency-name: mithril
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: production-dependencies
- dependency-name: pdfjs-dist
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: production-dependencies
...

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