Set User-Agent header for outgoing HTTP requests

[afs]

Discussed in #3139

^{Originally posted by Abbe98 April 22, 2025}
Is there a way to configure Fuseki so that it sets a user-agent header on outgoing requests?

Wikidata.org's SPARQL endpoint recently started enforcing its user-agent policy as a result one is heavily rate limited when doing federation with Wikidata without an User-agent header.