Bump actions upload-artifact and download-artifact from 3 to 4

[czeslavo]

Is there an existing issue for this?

• I have searched the existing issues

Problem Statement

Updating

• actions/upload-artifact - doesn't allow upload multiple times with the same name - breaking change
• actions/download-artifact - breaking changes

have to be done together and require adjustments in workflows, because currently, we reuse names in workflows

Proposed Solution

No response

Additional information

No response

Acceptance Criteria

• actions are bumped from 3 to 4 and everything works as used to work