v1.5.7: Update dependencies and add automatic docker releases

What's Changed

• Bump multer from 1.4.5-lts.1 to 2.0.0 in the npm_and_yarn group across 1 directory by @dependabot in #55
• Update other dependencies
• A docker container image will now be published to the github container registry on every version release.

Full Changelog: v1.5.6...v1.5.7