Integrate gitlab-ci/fix_collect_confluence

Commit: seco-ne/yocto/infrastructure/gitlab-ci@58554035

scripts:release_info: Deep copy dict in merge_variables

Without the deep copy, the merge operation manipulates the dict it is storing the new values in.

Source merge request: seco-ne/yocto/infrastructure/gitlab-ci!402 (merged)

mentioned in merge request seco-ne/yocto/infrastructure/gitlab-ci!402 (merged)

merged