Bump jspdf from 1.5.3 to 2.5.1 in /frontend

Bumps [jspdf](https://github.com/MrRio/jsPDF) from 1.5.3 to 2.5.1.
- [Release notes](https://github.com/MrRio/jsPDF/releases)
- [Changelog](https://github.com/parallax/jsPDF/blob/master/RELEASE.md)
- [Commits](parallax/jsPDF@v1.5.3...v2.5.1)

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

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