Bump jpeg-js and potrace
Bump jpeg-js and potrace

Bumps [jpeg-js](https://github.com/eugeneware/jpeg-js) and [potrace](https://github.com/tooolbox/node-potrace). These dependencies needed to be updated together.

Updates `jpeg-js` from 0.3.6 to 0.4.4
- [Release notes](https://github.com/eugeneware/jpeg-js/releases)
- [Commits](https://github.com/eugeneware/jpeg-js/commits/v0.4.4)

Updates `potrace` from 2.1.2 to 2.1.8
- [Release notes](https://github.com/tooolbox/node-potrace/releases)
- [Commits](https://github.com/tooolbox/node-potrace/commits/v2.1.8)

---
updated-dependencies:
- dependency-name: jpeg-js
  dependency-type: indirect
- dependency-name: potrace
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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