Increase maxlag for wikibase-edit

[stefandesu]

wikibase-edit recently fixed that requests are actually supposed to time out (by default after 5 seconds). Due to this fix, our requests often time out because apparently they tend to take longer than 5 seconds. https://coli-conc.gbv.de/services/wikidata/ is currently on an older commit to circumvent this issue.

To fix this, we should:

• Increase the maxlag parameter, for example to 10 seconds instead of 5.
• I would also suggest to disable retry or, if possible, restrict it to try only once.

[stefandesu]

Increased it to 15 seconds, but disabled retry. It would be good if you could try it out a little bit, @nichtich. With the mapping I just saved, it worked fine.