Securing Artemis token
This MR integrates the hotfix applied in production (https://sharing-codeability.uibk.ac.at/sharing/codeability-sharing-platform/-/commit/bcfe5f26dc5e427b2969de52a7556b2edabfe7fd) in our development branch, replacing the usage of a default non-secure token for our connector with Artemis.
(Fix for https://sharing-codeability.uibk.ac.at/sharing/codeability-sharing-platform/-/issues/279)