Fix failing workers

Description

Fix bug that broke workers (could not run jar) due to missing dependencies.

Changes

Added dependencies, modified gitlab-ci.yml, changed max file upload settings.

Additions

N/A

Test and Review

To be filled in by the reviewers

• All of the methods are commented to expectation

• The methods are tested to satisfaction

• There are no unnecessary files present in the MR

• The continuous integration has no problems with the MR

• The MR is filled in as requested (including labels, milestones, and reviewers)

• The documentation is up-to-date

• All nullable parameters are marked as such