Update wikidata reconciliation endpoint

[PabloCastellano]

Fixes #4205

Changes proposed in this pull request:

• Change to new wikidata reconciliation endpoint

[wetneb]

Hi @PabloCastellano, thanks a lot for this PR!
I agree with you, I think this is overdue. I had proposed this change a while ago (#3081) but we did not end up doing it because some (including me actually) had concerns about the fact that this endpoint is run by me on my own, instead of the Toolforge which offers some minimal user data protection (the fact that the service cannot see the IP addresses of the users).

In the meantime, it is true that the wdreconcile.toolforge.org has drifted away even more, since I do not fix any bugs there anymore.

Unless @tfmorris has concerns with this, I would merge this PR soon.

[PabloCastellano]

Hi @wetneb.

I have just read all the discussion about hosting the reconciliation service. Here are my two cents:

• I'm fine with you seeing my IP and queries as the owner of the service. Maybe we can improve the situation by adding a disclaimer when you want to use this service in OpenRefine + a link to the Phab ticket.
• I would merge this PR to keep reconciliation working, otherwise I would un-bundle the wikidata reconciliation service. In my case I wasted more time to figure out why reconciliation was working weirdly and replacing the endpoint than it would had taken adding the correct endpoint from the beginning
• I think Wikimedia will eventually host this API. You have already raised awareness of a crucial service that looked invisible

Also, do you have a howto to replicate the service you are operating? What are the hardware requirements? Maybe more people are willing to operate more reconciliation services (or even running their own locally?).

[wetneb]

Yes of course, the service's source code is available here: https://github.com/wetneb/openrefine-wikibase
This service is already being run by various organizations for various other Wikibase instances but I am not aware of an alternate public endpoint for Wikidata.

[wetneb]

Merging soon, with the plan of releasing this in 3.5 unless concerns are brought up.

[tfmorris]

I don't have a strong opinion on this.