Issue: Wikidata API requests are rejected due to missing User-Agent header

Issue: Wikidata API requests are rejected due to missing User-Agent header: a task in LegoFlow-SWE (Harbor dataset). Users trying to log into Wikidata from OpenRefine receive an "invalid credentials" error, even though the same credentials are accepted when logging in directly through a browser…

The task

Users trying to log into Wikidata from OpenRefine receive an "invalid credentials" error, even though the same credentials are accepted when logging in directly through a browser. Uploading data to Wikidata similarly fails during the authentication step.

Part of Lego-X/LegoFlow-SWE.